serpapi-upgrade-migration

# SerpApi Upgrade & Migration ## Overview The main migration path: `google-search-results` (legacy) to `serpapi` (current official package). The API itself is stable -- changes are in client library interfaces, not the REST API. ## Instructions ### Python: google-search-results to serpapi ```python # BEFORE: Legacy package from serpapi import GoogleSearch search = GoogleSearch({"q": "test", "api_key": key}) result = search.get_dict() # AFTER: New official package import serpapi client = serpapi.Client(api_key=key) result = client.search(engine="google", q="test") # Result is already a dict -- no get_dict() needed ``` ```bash # Migration steps pip uninstall google-search-results pip install serpapi # Update imports across codebase # OLD: from serpapi import GoogleSearch # NEW: import serpapi ``` ### Node.js: google-search-results-nodejs to serpapi ```typescript // BEFORE: Legacy import { GoogleSearch } from 'google-search-results-nodejs'; const search = new GoogleSearch('api_key'); search.json({ q: 'test', engine: 'google' }, (result) => { ... }); // AFTER: Current (Promise-based) import { getJson } from 'serpapi'; const result = await getJson({ engine: 'google', q: 'test', api_key: key }); // No callbacks -- uses Promises natively ``` ### Key Changes | Aspect | Legacy | Current | |--------|--------|---------| | Python import | `from serpapi import GoogleSearch` | `import serpapi` | | Python init | `GoogleSearch(params_dict)` | `serpapi.Client(api_key=key)` | | Py...