v5.2.2

Update package

• add code of conduct
• add contributing guidelines
• add code owners
• add PR template
• add .editorconfig
• add Snyk
• add probot/stale
• update Travis CI
• update packages

v5.2.1

• Fix paste link/image, #13

v5.2.0

• add multiselect to bold, italic, and strikethrough

v5.1.1

• Add xo
• Update badges

v5.1.0

Add strikethrough functionality, ~~strikethrough~~

v5.0.1

Fix editor.insertText is not a function bug, #8

v5.0.0

Switch to use babel and ECMAScript 6

v4.2.0

Change bold shortcut to cmd-b (ctrl-b)

v4.1.1

Add changelog

v4.1.0

Add pasting #anchor links