add superset airbyte setup and merge md file

01-infra/init/02-create-airbyte-databases.sql

@@ -0,0 +1,14 @@
+-- Create databases for Airbyte OSS
+-- These databases will be used by the Airbyte deployment in 04-ingestion
+
+-- Main Airbyte database
+CREATE DATABASE airbyte;
+
+-- Temporal workflow engine databases
+CREATE DATABASE temporal;
+CREATE DATABASE temporal_visibility;
+
+-- Grant permissions to postgres user
+GRANT ALL PRIVILEGES ON DATABASE airbyte TO postgres;
+GRANT ALL PRIVILEGES ON DATABASE temporal TO postgres;
+GRANT ALL PRIVILEGES ON DATABASE temporal_visibility TO postgres;