Added theme page and dark theme #632

Job	Run time
Playwright tests payments (npx playwright test --project=treasury-dashboard playwright-tests/test...	5m 9s
Playwright tests payments (npx playwright test --project=infinex playwright-tests/tests/payments)	4m 34s
Playwright tests settings (npx playwright test --project=treasury-dashboard playwright-tests/test...	13m 12s
Playwright tests payments (npx playwright test --project=treasury-testing playwright-tests/tests/...	5m 17s
Playwright tests stake-delegation (npx playwright test --project=treasury-dashboard playwright-te...	7m 46s
Playwright tests settings (npx playwright test --project=infinex playwright-tests/tests/settings)	12m 50s
Playwright tests Treasury Factory	7m 12s
Playwright tests stake-delegation (npx playwright test --project=infinex playwright-tests/tests/s...	11m 16s
Playwright tests settings (npx playwright test --project=treasury-testing playwright-tests/tests/...	12m 30s
Playwright tests stake-delegation (npx playwright test --project=treasury-testing playwright-test...	6m 28s
Sanity Checks	15s
	1h 26m 29s

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