8.5
docs: Format Markdown with Prettier.
Fix typos caught by typos.
docs: Document stream `#translation/fr`.
translating: Add guidelines for gender-inclusive language in German.
translation: Add Urdu translation guide.
docs: Update Transifex URLs.
docs: Add a Japanese translation style guide.
docs: Apply sentence single-spacing from Prettier.
docs: Update Spanish translation for "Narrow to".
gear_menu: Rename "Manage streams" -> "Stream settings".