Add Windmill workflows and Git auto-sync

- Add wmill.yaml configuration with includes for f/**, u/**, g/**
- Add sync_to_git.sh script for automatic Git synchronization
- Add initial workflows synced from Windmill:
  - Test script: u/antigravity/test_git_sync
  - Admin scripts: u/admin/hub_sync
  - Setup app: g/all/setup_app
  - Folders: f/app_custom, f/app_groups, f/app_themes

sync_to_git.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+# Windmill Workflow Git Auto-Sync Script
+# このスクリプトは、Windmillワークフローを自動的にGitにコミットします
+
+set -e
+
+# 色付き出力
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+echo -e "${GREEN}=== Windmill Workflow Git Sync ===${NC}"
+
+# ディレクトリに移動
+cd /home/akira/develop/windmill/workflows
+
+# PATHを設定
+export PATH=~/.npm-global/bin:$PATH
+
+# Windmillから最新を取得
+echo -e "${YELLOW}Pulling from Windmill...${NC}"
+wmill sync pull --skip-variables --skip-secrets --skip-resources --yes
+
+# 変更があるか確認
+if [[ -n $(git status --porcelain) ]]; then
+    echo -e "${YELLOW}Changes detected, committing to Git...${NC}"
+    
+    # 変更をステージング
+    git add -A
+    
+    # コミット
+    TIMESTAMP=$(date '+%Y-%m-%d %H:%M:%S')
+    git commit -m "Auto-sync: ${TIMESTAMP}
+
+Synced workflows from Windmill workspace"
+    
+    echo -e "${GREEN}✓ Changes committed to Git${NC}"
+else
+    echo -e "${GREEN}✓ No changes detected${NC}"
+fi
+
+echo -e "${GREEN}=== Sync Complete ===${NC}"