login: add page

[en1gma713]

• 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).

[CLAassistant]

All committers have signed the CLA.

[tldr-bot]

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

pages/linux/login.md:3: TLDR004 Command descriptions should end in a period
pages/linux/login.md:4: TLDR011 Page never contains more than a single empty line

Please fix the error(s) and push again.

[tldr-bot]

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

pages/linux/login.md:1 MD022/blanks-around-headings/blanks-around-headers Headings should be surrounded by blank lines [Expected: 1; Actual: 0; Below] [Context: "# Login"]
pages/linux/login.md:5: TLDR007 Example descriptions should be surrounded by empty lines
pages/linux/login.md:8: TLDR007 Example descriptions should be surrounded by empty lines
pages/linux/login.md:11: TLDR007 Example descriptions should be surrounded by empty lines
pages/linux/login.md:14: TLDR007 Example descriptions should be surrounded by empty lines
pages/linux/login.md:1: TLDR006 Command name and description should be separated by an empty line

Please fix the error(s) and push again.

[en1gma713]

#2214

[owenvoke]

Hi @en1gma713, just a few small grammatical changes and token syntax additions, but otherwise this looks good. Thanks!

[en1gma713]

done

[owenvoke]

LGTM! Thanks @en1gma713. 🥳