[WIP] fix #584 Add Wifi Setting Page

[yoshida0261]

Issue

• close #584

Overview (Required)

• Add a WiFi item to the navigation drawer.
• Tap the WiFi item
  • Connect to the venue's WiFi using WifiManager.

Screenshot

Before	After

TODO

• [ ] add WiFi Page (?)
• [ ] add WiFi check
• [ ] add getRemoteConfig
  • https://github.com/DroidKaigi/conference-app-2020/issues/584#issuecomment-579354426
• [ ] add WiFi connect
• [ ] add What happens when WiFi and connection fail

[takahirom]

Thanks for sharing the draft!! It would be nice if you could go to that screen from the about screen.

[jmatsu-bot]

No issue was reported. Cool!

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[takahirom]

The implementation of the about page is fine. 👍

[jmatsu-bot]

Your apk has been deployed to https://deploygate.com/distributions/467060db36bf4cb7f187464dc4f6f26bb5ca6b5c. Anyone can try your changes via the link.

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