v0.2.4

Knockout v0.2.4

Diff since v0.2.3

Closed issues:

• Register with Julia General (#17)
• WebIO.js and JSExpr.js conflict on @js_str (#18)

Merged pull requests:

• Install TagBot as a GitHub Action (#19) (@JuliaTagBot)
• use https instead of http (#20) (@BeastyBlacksmith)
• add upper bounds and bump version number (#21) (@piever)