poetry-export: add page

[girdharagrawalbro]

Adds documentation for poetry export command.

Examples included:

• Export dependencies to requirements.txt
• Export with hashes
• Export development dependencies
• Export without hashes
• Export specific extras group
• Export to custom file

#18042

[dmmqz]

Suggested change

	> Export Poetry's lock file to other formats.
	> Export Poetry's lock file to other formats.
	> Provided by the Export Poetry Plugin.

[dmmqz]

Suggested change

	> More information: <https://python-poetry.org/docs/cli/#export>.
	> More information: <https://github.com/python-poetry/poetry-plugin-export#usage>.

[dmmqz]

Suggested change

	- Export dependencies to a requirements.txt file:
	- Export dependencies to a `requirements.txt` file:

https://github.com/tldr-pages/tldr/blob/main/contributing-guides/style-guide.md#special-cases

[dmmqz]

Suggested change

	`poetry export --output {{requirements.txt}}`
	`poetry export {{[-o|--output]}} requirements.txt`

https://github.com/tldr-pages/tldr/blob/main/contributing-guides/style-guide.md#exceptions

[dmmqz]

Suggested change

	`poetry export --dev --output {{requirements-dev.txt}}`
	`poetry export --dev {{[-o|--output]}} {{requirements-dev.txt}}`

[dmmqz]

Suggested change

	`poetry export --without-hashes --output {{requirements.txt}}`
	`poetry export --without-hashes {{[-o|--output]}} {{requirements.txt}}`

[dmmqz]

Suggested change

	`poetry export --format {{requirements.txt}} --output {{requirements.txt}}`
	`poetry export {{[-f|--format]}} {{requirements.txt|constraints.txt}} {{[-o|--output]}} {{requirements.txt}}`

[dmmqz]

Suggested change

	`poetry export --only {{main}} --output {{requirements.txt}}`
	`poetry export --only {{main}} {{[-o|--output]}} {{requirements.txt}}`

[dmmqz]

Suggested change

	`poetry export --help`
	`poetry export {{[-h|--help]}}`