docs overhaul: render flyteidl under the /api/ path #4917

Job	Run time
unpack-envvars	1s
flyteadmin integration tests image / build_docker	4m 47s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	5m 17s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	4m 23s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	4m 15s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	5m 37s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	5m 9s
Dry Run Goreleaser	7m 31s
Test Getting started	4m 20s
Check Go Generate (datacatalog) / Go Generate	1m 24s
Check Go Generate (flyteadmin) / Go Generate	2m 5s
Check Go Generate (flytecopilot) / Go Generate	1m 21s
Check Go Generate (flytepropeller) / Go Generate	2m 9s
Lint (datacatalog) / Run Lint	2m 20s
Lint (flyteadmin) / Run Lint	2m 57s
Check Go Generate (flytectl) / Go Generate	2m 6s
Lint (flyteidl) / Run Lint	1m 44s
Lint (flytectl) / Run Lint	2m 27s
Lint (flyteplugins) / Run Lint	2m 46s
Lint (flytepropeller) / Run Lint	2m 54s
Lint (flytestdlib) / Run Lint	2m 27s
Unit Tests (datacatalog) / Run Unit Test	2m 57s
Unit Tests (flyteadmin) / Run Unit Test	4m 23s
Unit Tests (flytecopilot) / Run Unit Test	2m 28s
Unit Tests (flytectl) / Run Unit Test	3m 25s
Unit Tests (flyteplugins) / Run Unit Test	3m 45s
Unit Tests (flytepropeller) / Run Unit Test	4m 5s
Unit Tests (flytestdlib) / Run Unit Test	3m 31s
Integration Test (flyteadmin) / Integration tests	5m 43s
	1h 38m 17s

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