Adds v2 countdown eol text in side menu #1880

Job	Run time
typecheck / typecheck	1m 55s
e2e / 🧪 CLI v3 tests (buildjet-8vcpu-ubuntu-2204 - npm)	1m 35s
e2e / 🧪 CLI v3 tests (buildjet-8vcpu-ubuntu-2204 - pnpm)	1m 40s
units / 🧪 Unit Tests	2m 50s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	4m 42s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	4m 40s
Preview Release	0s
	17m 22s

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