docs: Add more readable argo CLI installation guide. Fixes #11750 #18278

Job	Run time
argoexec-image	32s
Unit Tests	6m 37s
UI	4m 45s
E2E Tests (test-executor, minimal)	13m 30s
E2E Tests (test-corefunctional, minimal)	17m 5s
E2E Tests (test-functional, minimal)	22m 34s
E2E Tests (test-api, mysql)	9m 15s
E2E Tests (test-cli, mysql)	14m 38s
E2E Tests (test-cron, minimal)	9m 32s
E2E Tests (test-examples, minimal)	8m 9s
E2E Tests (test-plugins, plugins)	7m 7s
E2E Tests (test-java-sdk, minimal)	5m 2s
E2E Tests (test-python-sdk, minimal)	5m 6s
E2E Tests (test-executor, v1.25.11-k3s1, minimal)	13m 37s
E2E Tests (test-corefunctional, v1.25.11-k3s1, minimal)	16m 34s
E2E Tests (test-functional, v1.25.11-k3s1, minimal)	24m 5s
Codegen	9m 16s
Lint	7m 26s
	3h 14m 50s

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