Add AnyClip integration tools and extracted source code

- Add authentication scripts with SubtleCrypto password encryption
- Add sourcemap extraction pipeline (update-urls, download-sourcemaps, extract-sources)
- Add Playwright API interception script for monetization endpoints
- Document two-step auth flow with JWT tokens and dual cookies
- Move extracted source from root to anyclip/ directory
- Add project configuration (.env.example, .gitignore, CLAUDE.md)

anyclip/client/has-base-path.ts

@@ -0,0 +1,7 @@
+import { pathHasPrefix } from '../shared/lib/router/utils/path-has-prefix'
+
+const basePath = (process.env.__NEXT_ROUTER_BASEPATH as string) || ''
+
+export function hasBasePath(path: string): boolean {
+  return pathHasPrefix(path, basePath)
+}