As a git client, the app supports the following git operations:
All mainstream programming languages: css, js, html, swift, objective-c, c/c++, java, python, R, etc
With MarkGit, you can edit web page and code, and your changes can be previewed in realtime.

Tips:
⌘lEsepcially, MarkGit has extensive support to javascript/typescrit, including code intelligence.
You can also run code in few languages including javascript/trype, java, python, c, R.
MarkGit shared the same markdown parser engine with marknote which supports not only the full
Github flavored markdown featuers but also extended markdown syntax
The following shortcuts are supported on the Editor UI:
⌘f: show/hide the "find/replace" box⌘b: show/hide browser⌘i: enter/exit immersive modeOpen MarkGit -> Menu -> Manage Credentials,
Find "OAuth credentials" -> GitHub, click "Login"
Mobile Safari will open github login page, input your github user name and password:

Once login succeeded, github will prompt "Open this page in 'MarkGit'", click "Open" then you will be set.

The file system of MarkGit is open and can be viewed by other apps, like Apple's Files app.
There are many ways you can add images / files into MarkGit.
For example, in iOS Photos app, choose a photo -> Share -> Save to Files -> On my iPhone/iPad -> MarkGit

Then you will be able to see the newly added image in MarkGit
You can refer to Sync Obsidian Vault with GitHub