chore: add deployment action and manifest for epic.

[iv1310]

Adjust some aspects

• Adjusted pipeline to deploy epic to prod if any changes on epic-base branch
• Added epic k8s manifests for prod

Please help to review this build-args for epic, which envar we need to keep and/or changes. Cc @teodorus-nathaniel @samchuk-vlad

GH_NEXT_PUBLIC_AMP_ID=71bf5a46800fedba5e9a01243b988164
GH_NEXT_PUBLIC_GA_ID=fake
GH_IPFS_WRITE_URL=https://gw-seattle.crustcloud.io
GH_IPFS_PIN_URL=https://test-pin.crustcloud.io/psa            GH_NEXT_PUBLIC_NOTIFICATION_APP_ID=BJaKjx7xtiIXtSUT8tR6VDG0WwhFwdqOqp8L5kc6alGBUtndnlV_DUJ6sze_z70VEBOKk4AT_wZTJqE9dC7sbEQ
GH_NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN=gl-notifications-dev.firebaseapp.com
GH_NEXT_PUBLIC_FIREBASE_PROJECT_ID=gl-notifications-dev
GH_NEXT_PUBLIC_FIREBASE_API_KEY=AIzaSyC7pSekdJQ0PpUDCY4eEkEeDGCazVES6QI
GH_NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET=gl-notifications-dev.appspot.com
GH_NEXT_PUBLIC_FIREBASE_MESSAGING_ID=581626459774
GH_NEXT_PUBLIC_FIREBASE_APP_ID=1:581626459774:web:6b7098eb48c0b142f50a2f
GH_NEXT_PUBLIC_DATAHUB_QUERY_URL=https://epic-login-data-hub-core.subsocial.network/graphql
GH_NEXT_PUBLIC_DATAHUB_SUBSCRIPTION_URL=wss://epic-login-data-hub-core.subsocial.network/graphql-ws
GH_DATAHUB_QUEUE_URL=https://epic-login-data-hub-queue.subsocial.network/graphql
GH_NOTIFICATIONS_URL=https://ownership-pallet-notif-data-hub-core.subsocial.network/graphql
GH_NEXT_PUBLIC_OFFCHAIN_POSTING_HUBS=12468
GH_NEXT_PUBLIC_PROPOSALS_HUB=12364
GH_NEXT_PUBLIC_APP_ID=12364
GH_NEXT_PUBLIC_SPACE_IDS=12466,12467,12468,12660
GH_NEXT_PUBLIC_TELEGRAM_NOTIFICATION_BOT=https://t.me/g_notif_staging_bot/
# without base path
# GH_NEXTAUTH_URL=https://${{ env.name }}.subsocial.network
# with base path
GH_NEXTAUTH_URL=https://${{ env.name }}.subsocial.network/c/api/auth
GH_NEXT_PUBLIC_BASE_PATH=/c
GH_NEXT_PUBLIC_NEYNAR_CLIENT_ID=e8dc01b0-046c-4698-98ac-05432050961d

And also for the credential part, please help as well to ensure the correct values, you can DM me @teodorus-nathaniel @samchuk-vlad .

{
  "REDIS_PASSWORD": "",
  "DATAHUB_MUTATION_TOKEN": "",
  "DATAHUB_QUEUE_TOKEN": "",
  "NEXTAUTH_SECRET": "",
  "IPFS_WRITE_URL": "http://new-ipfs-cluster:5001",
  "IPFS_PIN_URL": "http://new-ipfs-cluster:9094",
  "SUBSOCIAL_PROMO_SECRET_HEX": "",
  "USER_ID_SALT": "",
  "SERVER_MNEMONIC": "borrow badge slot pipe pilot idle buffalo coconut pattern prison noble cannon",
  "SERVER_DISCUSSION_CREATOR_MNEMONIC": "legal relief exotic stick strong caution enjoy wet melody wife heart unlock",
  "COVALENT_API_KEY": "",
  "TWITTER_CLIENT_ID": "",
  "TWITTER_CLIENT_SECRET": "",
  "NOTIFICATIONS_TOKEN": "",
  "GOOGLE_CLIENT_ID": "",
  "GOOGLE_CLIENT_SECRET": ""
}

[DON'T MERGE] Need to pass the review first.