feat: enhance command palette with new "uses" feature and update chat types

- Added "View setup" command to the command palette in English, French, and Spanish.
- Removed "Tech Stack" command from the command palette.
- Updated MessageContainer to handle new "uses" message type.
- Refactored chat.ts to use a new ChatMessages function for better organization.
- Created new Uses.vue component to display a list of software and gadgets.
- Added Item.vue and List.vue components for rendering individual items and categories.
- Updated content configuration to include new skills and uses categories.
- Added new JSON files for programming languages, frontend, backend, devops, and python frameworks.
- Updated existing JSON files for homelab items with improved descriptions.
- Removed obsolete stack JSON files.

content/stack/4.python.json

@@ -0,0 +1,4 @@
+{
+  "name": "Python Frameworks",
+  "description": "Pytorch, Scikit-learn, Tensorflow, Numpy, Matplotlib, Pandas, Seaborn."
+}