docs: add optimized demo gifs, fix node_modules in batch organizer

- Add demo.gif (629K) and demo2.gif (3.3M) to README and blog post
- Move folder demo to the relevant section in README
- Exclude node_modules at findFiles level to avoid enumerating dependencies
- Exclude *.gif from VSIX packaging

Author: JohannesHoppe

README.md

@@ -87,6 +87,8 @@ Access these commands via Command Palette (`Ctrl+Shift+P` / `Cmd+Shift+P`):
 4. **Mini TS Hero: Check for configuration conflicts** — Detect if multiple tools would organize imports
 5. **Mini TS Hero: Toggle legacy mode** — Switch between modern and legacy behavior
 
+![Folder organization demo](demo2.gif)
+
 > **Tip:** Workspace and folder commands automatically skip build artifacts (`node_modules`, `dist`, `build`, etc.). You can add custom exclude patterns for auto-generated files — see [excludePatterns configuration](README-configuration.md#exclude-patterns-team-collaboration).
 
 ### Organize on Save

blog-post.md

@@ -40,6 +40,8 @@ Angular libraries grouped together and automatically merged into one import. RxJ
 
 **This really helps keep the code clean.**
 
+![Demo](demo.gif)
+
 ## The Mission
 
 [Christoph Bühler](https://me.cbue.ch/), the original author of TypeScript Hero, no longer had time to maintain the extension. He's moved on from TypeScript work, which is totally fair. We all have our seasons with different technologies.
@@ -63,6 +65,8 @@ Right-click any folder in the Explorer → "Organize imports in folder". Or run
 
 The extension intelligently skips `node_modules`, `dist`, `build`, and other artifacts. You can also configure custom exclude patterns for auto-generated files your team shouldn't touch.
 
+![Folder organization demo](demo2.gif)
+
 **⚠️ Conflict detection**
 
 Using Prettier or ESLint plugins that also sort imports? Run "Check for configuration conflicts" to detect if multiple tools are fighting over your imports.