Additional changes to rx_bloc_cli project ci options

[DDavidPrime]

Amendments to be done to the current rx_bloc cli generated projects, especially related to the generated CI/CD feacture.

ACs:

• [x] Script update (Video recording): unify encode and decode scripts (and add encode_all.sh)
• [x] Fastfile update: PROJECT_DIRECTORY_NAME (PROJECT_DIRECTORY_PATH) = '.'
• [x] Fastfile - provisioning_profile_map: document how to get the UUID
• [x] Doc update: Add CI/CD to the main readme.md (link to fastfile and continuous_delivery.md)
• [x] Doc update: This example link" link is incorrect & rename test-distrubution repository
• [x] Doc update: The credentials repo needs to be private
• [x] Document the encryption password
• [x] Video recording: (https://appstoreconnect.apple.com/access/integrations/api) to be added to the doc
• [x] Video recording: export (export local variable - master password) is not needed
• [x] Video recording: XCode - only the release mode needs to be not automatically signed