container: add new page

[aether7]

Checklist

• The page(s) are in the correct platform directories: common, linux, osx, windows, sunos, android, etc.
• The page description(s) have links to documentation or a homepage.
• The page(s) follow the content guidelines.
• The page(s) follow the style guide.
• The PR contains at most 5 new pages.
• The PR is authored by me, or has been human-reviewed if it was created with AI or machine translation software.
• The PR title conforms to the recommended templates.
• Version of the command being documented (if known):
• Reference issue: #
• Closes: #

[CLAassistant]

All committers have signed the CLA.

[SpikeTheDragon40k]

Needed changes.

Also sign the CLA that's mandatory :)

[tldr-bot]

The build for this PR failed with the following error(s) at commit
8a47dc9144e0ad81be788c65591dac3adc591c83:

pages/osx/container.md:1 error MD022/blanks-around-headings Headings should be surrounded by blank lines [Expected: 1; Actual: 0; Below] [Context: "# container"]
pages/osx/container.md:
Error: Parse error on line 2:
# containerCreate and run Linux...
-----------^
Expecting 'NEWLINE', 'GREATER_THAN', got 'TEXT'

Please fix the error(s) and push again.

[ivanbaluta]

#23074