Implemented getModels endpoint with the models provided by the api.Fixed some typescript errors, created types file. Added consola for logging.

package-lock.json

@@ -10,6 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "@google/gemini-cli-core": "^0.1.7",
+        "consola": "^3.4.2",
         "dotenv": "^17.0.0",
         "zod": "^3.25.67"
       },
@@ -2941,7 +2942,6 @@
       "version": "3.4.2",
       "resolved": "https://registry.npmjs.org/consola/-/consola-3.4.2.tgz",
       "integrity": "sha512-5IKcdX0nnYavi6G7TtOhwkYzyjfJlatbjMjuLSfE2kYT5pMDOilZ4OvMhi637CcDICTmz3wARPoyhqyX1Y+XvA==",
-      "dev": true,
       "license": "MIT",
       "engines": {
         "node": "^14.18.0 || >=16.10.0"