v0.56.1 - remove repeated port checking in dev mode

What's Changed

• chore: pre-commit autoupdate by @pre-commit-ci in #871
• docs: add docs for all the robyn env variables by @VishnuSanal in #872
• fix: disable repeated port checking in dev mode by @sansyrox in #875

Full Changelog: v0.56.0...v0.56.1