Update plugin code, README and changelog for v3.0 release

Author: danielgoulyk

README.md

@@ -2,24 +2,24 @@
 
 **ACF Dynamic Shortcodes** is a lightweight WordPress plugin that lets you dynamically register shortcodes for [Advanced Custom Fields (ACF)](https://www.advancedcustomfields.com/) attached to a specific page — without writing a single line of code.
 
-> ⚡ Perfect for custom pricing pages, dynamic content blocks, and personalised shortcodes mapped to ACF fields.
+> Perfect for custom pricing pages, dynamic content blocks, and personalised shortcodes mapped to ACF fields.
 
 ---
 
-## 🚀 Features
+## Features
 
-- 🔧 Admin settings panel to select an ACF source page
-- 🧩 Auto-detects ACF fields from the selected page
-- 🔗 Create custom shortcode names for each field
-- 📋 Copy-to-clipboard buttons for easy reuse
-- 📝 Editable value overrides directly from the plugin UI
-- 🪄 Syncs edited values back to the ACF field itself
-- 💬 Fallback message when value is missing
-- ✅ Works with both ACF Free and Pro
+- Admin settings panel to select an ACF source page
+- Auto-detects ACF fields from the selected page
+- Create custom shortcode names for each field
+- Copy-to-clipboard buttons for easy reuse
+- Editable value overrides directly from the plugin UI
+- Syncs edited values back to the ACF field itself
+- Fallback message when value is missing
+- Works with both ACF Free and Pro
 
 ---
 
-## 📦 Example Usage
+## Example Usage
 
 If you have a custom field called `starting_price`, and you assign it a shortcode like:
 
@@ -29,26 +29,26 @@ You can then use that shortcode anywhere on your WordPress site — pages, posts
 
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-## ⚠️ Caching Notice
+## Caching Notice
 
 If you're using a caching plugin (like **LiteSpeed Cache**, **WP Rocket**, or **W3 Total Cache**), please remember to **clear your site cache** after saving changes in this plugin to see them reflected on the frontend.
 
 ---
 
-## 🛠 Requirements
+## Requirements
 
 - WordPress 5.0+
 - ACF Free or Pro
 - PHP 7.2+
 
 ---
 
-## 📄 License
+## License
 
 This plugin is open-sourced and licensed under the MIT License.
 
 ---
 
-## ✨ Author
+## Author
 
 **Daniel Goulyk** – [danielgoulyk.com](https://danielgoulyk.com)