chore: Remove node_modules, dist, .env from tracking

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

node_modules/content-disposition/package.json

@@ -1,43 +0,0 @@
-{
-  "name": "content-disposition",
-  "description": "Create and parse Content-Disposition header",
-  "version": "1.0.1",
-  "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
-  "license": "MIT",
-  "keywords": [
-    "content-disposition",
-    "http",
-    "rfc6266",
-    "res"
-  ],
-  "repository": "jshttp/content-disposition",
-  "funding": {
-    "type": "opencollective",
-    "url": "https://opencollective.com/express"
-  },
-  "devDependencies": {
-    "c8": "^10.1.2",
-    "eslint": "7.32.0",
-    "eslint-config-standard": "13.0.1",
-    "eslint-plugin-import": "2.25.3",
-    "eslint-plugin-markdown": "2.2.1",
-    "eslint-plugin-node": "11.1.0",
-    "eslint-plugin-promise": "5.2.0",
-    "eslint-plugin-standard": "4.1.0"
-  },
-  "files": [
-    "LICENSE",
-    "HISTORY.md",
-    "README.md",
-    "index.js"
-  ],
-  "engines": {
-    "node": ">=18"
-  },
-  "scripts": {
-    "lint": "eslint .",
-    "test": "node --test --test-reporter spec",
-    "test-ci": "c8 --reporter=lcovonly --reporter=text npm test",
-    "test-cov": "c8 --reporter=html --reporter=text npm test"
-  }
-}