Added documentation about Fixed and unique domains #5276

Job	Run time
unpack-envvars	1s
flyteadmin integration tests image / build_docker	4m 43s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	4m 8s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	4m 4s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	5m 59s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	5m 31s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	5m 48s
Dry Run Goreleaser	7m 47s
Test Getting started	8m 59s
Check Go Generate (datacatalog) / Go Generate	1m 31s
Check Go Generate (flyteadmin) / Go Generate	2m 9s
Check Go Generate (flytecopilot) / Go Generate	1m 23s
Check Go Generate (flytectl) / Go Generate	2m 1s
Check Go Generate (flytepropeller) / Go Generate	2m 10s
Lint (datacatalog) / Run Lint	2m 14s
Lint (flyteadmin) / Run Lint	2m 59s
Lint (flytectl) / Run Lint	2m 29s
Lint (flyteidl) / Run Lint	1m 44s
Lint (flyteplugins) / Run Lint	2m 59s
Lint (flytepropeller) / Run Lint	3m 7s
Lint (flytestdlib) / Run Lint	2m 27s
Unit Tests (datacatalog) / Run Unit Test	2m 57s
Unit Tests (flyteadmin) / Run Unit Test	4m 22s
Unit Tests (flytecopilot) / Run Unit Test	2m 32s
Unit Tests (flytectl) / Run Unit Test	3m 23s
Unit Tests (flyteplugins) / Run Unit Test	3m 41s
Unit Tests (flytepropeller) / Run Unit Test	4m 3s
Unit Tests (flytestdlib) / Run Unit Test	3m 35s
Integration Test (flyteadmin) / Integration tests	6m 12s
	1h 44m 58s

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