Add Makefile for managing Claude Code config symlinks

- Move commands, scripts, settings to repo root
- Add Makefile with install/uninstall/status targets
- Symlinks ~/.claude/* to this repo for version control
- Update documentation with setup instructions

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

scripts/load-forgejo-token.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+# Load Forgejo token from macOS Keychain into Claude Code session
+if [ -n "$CLAUDE_ENV_FILE" ]; then
+  TOKEN=$(security find-generic-password -a "$USER" -s "forgejo-token" -w 2>/dev/null)
+  if [ -n "$TOKEN" ]; then
+    echo "export FORGEJO_TOKEN=\"$TOKEN\"" >> "$CLAUDE_ENV_FILE"
+  fi
+fi
+exit 0