add keywords to package.json (#7)

Author: TheLartians

package.json

@@ -5,6 +5,7 @@
   "license": "MIT",
   "repository": "https://github.com/TheLartians/TypeScript2Python",
   "homepage": "https://github.com/TheLartians/TypeScript2Python#readme",
+  "keywords": ["python", "typescript", "transpiler", "types", "type-safety", "api", "json", "compiler", "docstring", "typings"],
   "dependencies": {
     "@commander-js/extra-typings": "^11.1.0",
     "typescript": "^5.3.3"