Make the default start page configurable

[ghuser238490]

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Please provide a concise description of the problem that would be addressed by this feature.

At the moment mealie starts with the default home page https://my.server/g/home

Some users would like to set another page, e.g. the meal planner page, as their preferred landing page.
If you're using bookmarks, that's not a problem. But as far as I know it is not possible to point the PWA to a different start page.

Please provide a concise description of the feature that would resolve your issue.

Make the default page configurable in the settings, e.g. the meal planner page, the cookbooks, the shopping lists or the search page.

This could be done either in the group settings or, even better, on a per-user basis.

Please consider and list out some caveats or tradeoffs made in your design decision

Don't know any.

Additional Information

• If this is accepted I'm willing to submit a PR to provide this feature
• If this is accepted I'm willing to help maintain this feature
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