propelauth: add page

[pfvatterott]

• [ X ] The page(s) are in the correct platform directories: common
• [ X ] The page(s) have at most 8 examples.
• [ X ] The page description(s) have links to documentation or a homepage.
• [ X ] The page(s) follow the content guidelines.
• [ X ] The page(s) follow the style guide.
• [ X ] The PR title conforms to the recommended templates.
• Version of the command being documented (if known):

[sebastiaanspeck]

Please avoid "you" in the descriptions; https://github.com/tldr-pages/tldr/blob/main/contributing-guides/style-guide.md#imperative-mood

[sebastiaanspeck]

Suggested change

	- Login to PropelAuth using an API Key generated from https://auth.propelauth.com/api_keys/personal:
	- Login to PropelAuth using an API Key generated from <https://auth.propelauth.com/api_keys/personal>:

[sebastiaanspeck]

Suggested change

	`propelauth setup {{[-f|--framework]}} {{directory}}`
	`propelauth setup {{[-f|--framework]}} {{path/to/directory}}`

[gutjuri]

Suggested change

	> The PropelAuth CLI was built from the ground up to set up PropelAuth in your application as quickly and easily as possible.
	> Set up PropelAuth in your application as quickly and easily as possible.