chore: Remove node_modules, dist, .env from tracking

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

node_modules/pkce-challenge/README.md

@@ -1,55 +0,0 @@
-# pkce-challenge
-
-Generate or verify a Proof Key for Code Exchange (PKCE) challenge pair.
-
-Read more about [PKCE](https://www.oauth.com/oauth2-servers/pkce/authorization-request/).
-
-## Installation
-
-```bash
-npm install pkce-challenge
-```
-
-## Usage
-
-Default length for the verifier is 43
-
-```js
-import pkceChallenge from "pkce-challenge";
-
-await pkceChallenge();
-```
-
-gives something like:
-
-```js
-{
-    code_verifier: 'u1ta-MQ0e7TcpHjgz33M2DcBnOQu~aMGxuiZt0QMD1C',
-    code_challenge: 'CUZX5qE8Wvye6kS_SasIsa8MMxacJftmWdsIA_iKp3I'
-}
-```
-
-### Specify a verifier length
-
-```js
-const challenge = await pkceChallenge(128);
-
-challenge.code_verifier.length === 128; // true
-```
-
-### Challenge verification
-
-```js
-import { verifyChallenge } from "pkce-challenge";
-
-(await verifyChallenge(challenge.code_verifier, challenge.code_challenge)) ===
-  true; // true
-```
-
-### Challenge generation from existing code verifier
-
-```js
-import { generateChallenge } from "pkce-challenge";
-
-(await generateChallenge(challenge.code_verifier)) === challenge.code_challenge; // true
-```