added intro, GNFT and CNFT overview pages (#11)

Author: evghen1

docs/intro.md

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+{
+  "label": "Overview",
+  "position": 1,
+  "collapsed": false
+}

docs/overview/_category_.json

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+---
+id: intro
+slug: /
+title: Welcome to Overlock Network
+sidebar_position: 0
+sidebar_label: 'Introduction'
+---
+
+# 🌐 Welcome to Overlock Network
+
+**Overlock Network** is a decentralized system for managing external infrastructure through distributed execution.  
+It is built with the [**Cosmos SDK**](https://cosmos.network/appchains/) and extends the control plane model using [**Crossplane**](https://crossplane.io) .
+
+In Overlock Network, Active Resources are on-chain definitions that tell provider-hosted controllers how to create and manage infrastructure in cloud and edge environments.
+As a result, Overlock Network can coordinate infrastructure on platforms such as GCP, AWS, Azure, Akash, DigitalOcean, and others.
+
+---
+
+## 🧱 Core Concepts
+
+The network is centered around a small number of composable, on-chain objects:
+
+- **Active Resources**  
+  Describe the infrastructure or services to be created and managed externally.
+
+- [**Configuration NFTs**](./overview/nft-config)  
+  Represent access to reusable infrastructure definitions (similar to a configuration library). 
+
+- [**Gas NFTs**](./overview/nft-gas)
+  Store a balance of execution tokens, which are gradually consumed as infrastructure operations are performed. 
+
+---
+
+
+## 🌍 Distributed Providers
+
+Overlock does not run infrastructure itself.  
+Instead, it relies on an open set of **independent providers** who run trusted execution environments and Crossplane-based controllers.  
+These providers process on-chain requests, access cloud APIs, and consume gas as work is completed.
+
+Each interaction is tied to ownership:  
+- users retain control through NFTs and token balances  
+- providers receive compensation through gas consumption
+
+---
+
+## 🧩 Modularity and Extensibility
+
+Overlock is designed to support many use cases:
+- cloud automation
+- edge orchestration
+- multi-provider workflows
+- agent-based infrastructure management
+
+Its primitives — Active Resources, Configuration NFTs, and Gas NFTs — can be extended or composed to support increasingly complex systems and tooling.
+
+---
+
+Overlock Network provides a programmable and verifiable way to control external infrastructure — with ownership and automation at its core.

docs/overview/intro.md

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+---
+id: nft-config
+title: Configuration NFTs
+sidebar_position: 1
+label: 'Overview'
+
+---
+
+Configuration NFTs represent ownership of a resource library — a packaged set of instructions and definitions used to create Active Resources within the network.
+
+These NFTs do not activate resources directly. Instead, they grant the user the right to use a specific configuration when creating new resources.
+
+---
+
+## 🎯 What They Represent
+
+Each Configuration NFT corresponds to a resource library.  
+This library defines how a particular type of infrastructure or service is created, including parameters, components, and system behavior.
+
+Owning the NFT means the user is allowed to use that configuration across the network.
+
+---
+
+## ⚙️ How It Works
+
+When a user obtains a Configuration NFT, it is stored in their wallet.  
+Later, when they create a new Active Resource through the Console or API, the system automatically checks if they own the required NFT.
+
+If they do, the configuration is installed during resource creation.  
+This process is seamless — the resource provider doesn't need to manage configurations manually.
+
+---
+
+## 🧩 Why It’s Needed
+
+Configuration NFTs make it possible to:
+
+- Distribute infrastructure templates across the network
+- Prove configuration ownership on-chain
+- Allow providers to install and apply user-selected logic securely
+- Ensure only authorized users can trigger configuration-based resource creation
+
+---
+
+## 🔄 Transfer and Reuse
+
+Configuration NFTs are transferable. A user can pass or sell the NFT to another wallet, which then gains the right to use that configuration.
+
+The same configuration can be used by many users — each with their own copy of the NFT.
+
+---
+
+## 📌 Features
+
+- Can include versioning, expiration, or policy metadata
+- May be bundled with Gas NFTs or other entitlements
+- Enable modular, reusable, and decentralized infrastructure logic
+
+---
+
+## ✅ Summary
+
+Configuration NFTs are the key to owning and using resource creation logic in the network.  
+They do not execute or control anything directly — but without them, resources cannot be created.  
+They let the Console and providers know: *“this user has the right to use this library.”*

docs/overview/nft-config.md

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+---
+id: nft-gas
+title: Gas NFTs
+sidebar_position: 2
+---
+
+Gas NFTs (Execution Credit Containers) are digital containers that store execution credit.  
+They allow you to run and maintain Active Resources in the network by holding a prepaid balance of resource tokens.
+
+These tokens are securely stored on a dedicated account linked to the NFT.  
+You don’t need to manage this account directly — the system handles everything automatically during usage.
+
+---
+
+## 🎯 What a Gas NFT Does
+
+If you hold a Gas NFT, it means you have fuel to power your infrastructure.
+
+Whenever you create or use an Active Resource, the system checks the available credit and deducts what’s needed from the linked account.  
+
+---
+
+## 🔁 Using and Reusing
+
+You can use a Gas NFT until its credit is fully spent.  
+You can also transfer it to someone else — they’ll get access to the remaining gas.
+
+There’s no need to refill or adjust anything manually. If you need more gas, simply get another NFT or receive one from someone else.
+
+---
+
+## 🔄 Flexible and Transferable
+
+Gas NFTs are easy to trade, gift, or bundle with other types of NFTs.  
+For example, you might receive a configuration and gas together as part of a setup pack.
+
+As long as the NFT still holds credit, it can be used by whoever owns it.
+
+---
+
+## 💡 Types of Gas NFTs
+
+Some Gas NFTs might include additional features:
+
+- **Nitro Packs** for high-performance access
+- **Promo Drops** with bonus fuel
+- **Timed Fuel** that expires if not used by a certain date
+
+These variations let users choose the right kind of gas for their needs.
+
+---
+
+## ✅ Summary
+
+A Gas NFT is your prepaid fuel card for the network.  
+It connects to a special account that holds your resource credit, which is used automatically as you create and run Active Resources.
+
+You stay in control — just hold it, use it, or pass it on.  
+When it’s empty, get a new one and keep going.