pip-install: update page and add Dutch translation

[dmmqz]

• The page(s) are in the correct platform directories: common, linux, osx, windows, sunos, android, etc.
• The page(s) have at most 8 examples.
• 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 title conforms to the recommended templates.
• Version of the command being documented (if known): 24.3.1

[tldr-bot]

The build for this PR failed with the following error(s) at commit
2dbbc53b6c125feb818ab2ae3934731c0ac6b696:

pages.nl/common/pip-install.md:18: TLDR005 Example descriptions should end in a colon with no trailing characters
pages.nl/common/pip-install.md:22: TLDR005 Example descriptions should end in a colon with no trailing characters

Please fix the error(s) and push again.