Reorganize: Move all skills to skills/ folder

- Created skills/ directory
- Moved 272 skills to skills/ subfolder
- Kept agents/ at root level
- Kept installation scripts and docs at root level

Repository structure:
- skills/           - All 272 skills from skills.sh
- agents/           - Agent definitions
- *.sh, *.ps1       - Installation scripts
- README.md, etc.   - Documentation

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

skills/plugins/examples/git-workflow/commands/branch-cleanup.ts

@@ -0,0 +1,87 @@
+/**
+ * Branch Cleanup Command
+ * Removes merged branches locally and remotely
+ */
+
+import { exec } from 'child_process'
+import { promisify } from 'util'
+
+const execAsync = promisify(exec)
+
+export interface BranchCleanupOptions {
+  local?: boolean
+  remote?: boolean
+  exclude?: string[]
+  dryRun?: boolean
+}
+
+export async function handle(
+  args: BranchCleanupOptions,
+  context: any
+): Promise<string> {
+  const { local = true, remote = true, exclude = ['main', 'master', 'develop'], dryRun = false } = args
+
+  const results: string[] = []
+
+  try {
+    // Get current branch
+    const { stdout: currentBranch } = await execAsync('git rev-parse --abbrev-ref HEAD')
+
+    if (local) {
+      // Get merged local branches
+      const { stdout: mergedBranches } = await execAsync('git branch --merged')
+
+      const branchesToDelete = mergedBranches
+        .split('\n')
+        .map((b) => b.trim().replace('*', '').trim())
+        .filter(
+          (branch) =>
+            branch &&
+            branch !== currentBranch.trim() &&
+            !exclude.includes(branch)
+        )
+
+      if (branchesToDelete.length > 0) {
+        if (dryRun) {
+          results.push(`Would delete local branches: ${branchesToDelete.join(', ')}`)
+        } else {
+          for (const branch of branchesToDelete) {
+            await execAsync(`git branch -d ${branch}`)
+            results.push(`✓ Deleted local branch: ${branch}`)
+          }
+        }
+      } else {
+        results.push('No local branches to clean up')
+      }
+    }
+
+    if (remote) {
+      // Get merged remote branches
+      const { stdout: remoteBranches } = await execAsync('git branch -r --merged')
+
+      const branchesToDelete = remoteBranches
+        .split('\n')
+        .map((b) => b.trim().replace('origin/', '').trim())
+        .filter((branch) => branch && branch !== 'HEAD' && !exclude.includes(branch))
+
+      if (branchesToDelete.length > 0) {
+        if (dryRun) {
+          results.push(`Would delete remote branches: ${branchesToDelete.join(', ')}`)
+        } else {
+          for (const branch of branchesToDelete) {
+            await execAsync(`git push origin --delete ${branch}`)
+            results.push(`✓ Deleted remote branch: ${branch}`)
+          }
+        }
+      } else {
+        results.push('No remote branches to clean up')
+      }
+    }
+
+    return results.join('\n')
+  } catch (error: any) {
+    throw new Error(`Branch cleanup failed: ${error.message}`)
+  }
+}
+
+export default { handle }