Add doc about configuring TLS with Helm #9602

Job	Run time
Run Unit Tests (test-with-cover-pkg)	3m 12s
Run Unit Tests (test-with-cover-tempodb)	15m 49s
Lint	3m 21s
Run Unit Tests (test-with-cover-tempodb-wal)	11m 25s
Run Unit Tests (test-with-cover-others)	12m 28s
Benchmark	9m 29s
Build	1m 44s
Build technical documentation	20s
Run integration tests (test-e2e)	20m 58s
Check jsonnet & tempo-mixin	58s
Run integration tests (test-integration-poller)	10m 4s
Vendor check	1m 32s
Run integration tests (test-e2e-deployments)	13m 36s
Run integration tests (test-e2e-serverless)	7m 2s
	1h 51m 58s

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