v1.2.1

• Merge remote-tracking branch 'origin/master' d438121
• fix: Make destroy function optional df016ee
• docs: Add issue request in samples section 3910d0c
• docs: update concern section 1be60f4
• docs: Reference doc to ahimico 2cc43ca
• docs: add lgtm badge 95db019

v1.2.0...v1.2.1