git-alias: add page

[CleanMachine1]

• The page (if new), does not already exist in the repo.
• The page is in the correct platform directory (common/, linux/, etc.)
• The page has 8 or fewer examples.
• The PR title conforms to the recommended templates.
• The page follows the content guidelines.
• The page description includes a link to documentation or a homepage (if applicable).

For #5137

[tldr-bot]

The build for this PR failed with the following error(s):

pages/common/git-alias.md:17:5 MD047/single-trailing-newline Files should end with a single newline character
pages/common/git-alias.md:
Error: Lexical error on line 17. Unrecognized text.
...s with a pattern:`git 
---------------------^
pages/common/git-alias.md:5: TLDR016 Label for information link should be spelled exactly `More information: `

Please fix the error(s) and push again.

[tldr-bot]

The build for this PR failed with the following error(s):

pages/common/git-alias.md:5: TLDR016 Label for information link should be spelled exactly `More information: `

Please fix the error(s) and push again.

[bl-ue]

Didn't save (68e75b1)

So aggravating, isn't it? 😝

[CleanMachine1]

Thats a lot of people... Didn't think I had done that many

[marchersimon]

Thanks @CleanMachine1

[marchersimon]

Thats a lot of people... Didn't think I had done that many

I think if we merge now that shouldn't be a problem, since they probably won't look into it after it's merged.