Migrate from firbase dynamic links to airbridge

[gewfy]

Todos

• Implement Airbridge in app
• Setup development build
• Setup staging build
• Setup production build
• Add AIRBRIDGE_APP_NAME, AIRBRIDGE_SDK_TOKEN and AIRBRIDGE_API_TOKEN to GitHub CI environment
• Setup aware.29k.org, staging.aware.29k.org and dev.aware.29k.org in Airbridge and apps
• Add DEEP_LINK_SCHEME to GitHub CI environment
• Remove DEEP_LINK_API_KEY, DEEP_LINK_DOMAIN_URI_PREFIX, DEEP_LINK_BASE_URL, DEEP_LINK_IOS_APPSTORE_ID, DEEP_LINK_IOS_BUNDLE_ID, DEEP_LINK_ANDROID_PACKAGE_NAME from GitHub CI environment
• Update link creation in functions
• Import old dynamic links into AirBridge
• Update notion guides
• Remove dynamic links implementation from functions
• Remove native links?

Nice to-dos

• Decide url path /sessions or /exercises to align app and web links?
• Add language detection to web links?
• CI script for generating links to all exercises and collections?
• When to remove dynamic links implementation from app?