docs: 📝 Update README. Added demo section.

Author: NekitCorp

README.md

@@ -1,6 +1,6 @@
 # Svelte Typescript Chrome Extension Boilerplate
 
-> Boilerplate for Chrome Extension Svelte Typescript project
+Boilerplate for Chrome Extension Svelte Typescript project.
 
 ## Features
 
@@ -10,6 +10,10 @@
 -   [CRXJS Vite Plugin](https://github.com/crxjs/chrome-extension-tools/blob/main/packages/vite-plugin/README.md)
 -   [Chrome Extensions Manifest V3](https://developer.chrome.com/docs/extensions/mv3/intro/)
 
+## Demo
+
+![Demo](/demo.gif)
+
 ## Examples of integrations
 
 -   [Tailwind CSS](https://tailwindcss.com/) – is in the [tailwindcss](https://github.com/NekitCorp/chrome-extension-svelte-typescript-boilerplate/tree/tailwindcss) branch
@@ -25,17 +29,17 @@ npm i
 npm run dev
 ```
 
-## Build
-
-```bash
-# build files to `/dist` directory
-$ npm run build
-```
-
-## Load unpacked extensions
+### Load unpacked extensions
 
 [Getting Started Tutorial](https://developer.chrome.com/docs/extensions/get-started/tutorial/hello-world#load-unpacked)
 
 1. Open the Extension Management page by navigating to `chrome://extensions`.
 2. Enable Developer Mode by clicking the toggle switch next to `Developer mode`.
 3. Click the `LOAD UNPACKED` button and select the `/dist` directory.
+
+## Build
+
+```bash
+# build files to `/dist` directory
+$ npm run build
+```