Add web-automation skill

- Browse and scrape web pages using Playwright with Camoufox anti-detection browser
- Supports automated web workflows, authenticated sessions, and bot protection bypass
- Includes scripts for browse, scrape, auth, and local app scanning
- Updated README with skill documentation and system library requirements

skills/web-automation/scripts/turndown-plugin-gfm.d.ts

@@ -0,0 +1,8 @@
+declare module 'turndown-plugin-gfm' {
+  import TurndownService from 'turndown';
+
+  export function gfm(turndownService: TurndownService): void;
+  export function strikethrough(turndownService: TurndownService): void;
+  export function tables(turndownService: TurndownService): void;
+  export function taskListItems(turndownService: TurndownService): void;
+}