chore: reorganize into polyglot monorepo (workshop)

- Move bigmind/ -> mcp/bigmind/
- Move webscraper/ -> mcp/webscraper/
- Move mss-failsafe/ -> java/mss-failsafe/
- Move Wellmann-Shop/ -> java/wellmann-shop/ (normalize to kebab-case)
- Add .roo/ IDE config files to tracking
- Add plans/REPO_STRATEGY.md (monorepo strategy document)
- Expand .gitignore: Java/Maven, Node/TS, coverage, uv.lock
- Rewrite README.md as navigation index
- Update .roo/mcp.json webscraper path to mcp/webscraper/

mcp/webscraper/run.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# Webscraper MCP server runner
+
+BASEDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" &> /dev/null && pwd)"
+
+# Add ~/.local/bin to PATH for uv
+export PATH="$HOME/.local/bin:$PATH"
+
+# Sync dependencies if .venv doesn't exist
+if [ ! -d ".venv" ]; then
+  uv sync
+fi
+
+# Run the server
+cd "$BASEDIR"
+uv run src/server.py