Refactor emacs configuration and clean up lab-tool project

- Reorganized emacs configuration with profiles in modules/development/emacs.nix
- Updated machine configurations to use new emacs module structure
- Cleaned up lab-tool project by removing archive, research, testing, and utils directories
- Streamlined lab-tool to focus on core deployment functionality with deploy-rs
- Added DEVELOPMENT.md documentation for lab-tool

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

packages/lab-tools.nix

@@ -10,7 +10,7 @@
     pname = "lab-tool";
     version = "2.0.0-kiss";
 
-    src = ./lab;
+    src = ./lab-tool;
 
     nativeBuildInputs = [makeWrapper];
     buildInputs = [