feat(auth): add auto-generation of oauth credentials

Implement functionality to create the oauth_creds.json file from
environment variables (ACCESS_TOKEN, REFRESH_TOKEN, EXPIRY_DATE)
if the file is missing. Also update documentation, docker-compose,
and build scripts to support this new feature.

.dockerignore

@@ -0,0 +1,31 @@
+# Dependencies
+node_modules/
+npm-debug.log
+yarn-debug.log*
+yarn-error.log*
+
+# Environment variables
+.env
+.env.example
+
+# Build output
+dist/
+build/
+coverage/
+
+# Development
+profile/
+*.test.ts
+*.spec.ts
+
+# Version control
+.git/
+.gitignore
+
+# IDE
+.vscode/
+.idea/
+
+# Docker
+Dockerfile
+docker-compose.yml