Tutor-indigo

- [Feature] Upgrade upstream apps to open-release/redwood.3. In particular, this will resolve serious issues with [course creation](https://github.com/openedx/frontend-app-authoring/issues/1199) and [language switching](https://github.com/openedx/frontend-app-account/issues/1052). (by regisb)

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- [Feature] Introduced theme toggle feature with enable/disable option and runtime switch between light and dark modes. (by hinakhadim)

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- [BugFix] Add the Indigo footer in MFEs via env.config.jsx to resolve display issues on the /account/ page after upgrading to Redwood. (by hinakhadim)

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- [Improvement] Instead of forcing users to use Authentication MFe, the platform decides how users should log in. (by CodeWithEmad)

- [Feature] Dark theme: the Indigo theme now covers dark theme for LMS pages, including the MFEs, and they are more beautiful! (by tanveer65 and hinakhadim)

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- 💥[Feature] Upgrade to Redwood (by hinakhadim)

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- [BugFix] Add big screen variable of screen responsiveness (by tanveer65)

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