support create bare repo support rename remotes (issue #136) change on back behavior upgrade ui libs

PuppyGit is A Git Client for Android, Open Source and No Ads and Free to use Features ・fetch ・merge ・pull ・push ・files explorer ・simple file editor (only utf8 supported) ・commit history (git log) ・shallow clone(git clone with depth) ・rebase ・cherry-pick ・patch ・reflog ・tags ・stashes ・remotes ・branches ・submodules ・squash commits ・reset ・resolve conflicts ・markdown preview ・auto pull/push when enter/exit specified apps(useful for auto sync note taking app like obsidian/markor) ・call pull/push/sync by tasker or other automation tools via http service Editor Due to PuppyGit's Editor very basic and I have no plan to implement a complex editor for now. so I recommend some editors I was tried: Squircle CE code editor: https://github.com/massivemadness/Squircle-CE Markor, markdown editor: https://github.com/gsantner/markor After installed, you can use PuppyGit's "Open As" feature to launch them in PuppyGit.