Release 0.12.0

Features

New Icons

Adds a few festive icons:

• north-star (5bea2a0)
• snowflake (6ab6a70)
• tree-fir (3c813af)

And some miscellaneous:

• stack-push, stack-pop (02bae51)

Keywords

• Add christmas keyword to gift (9f06ce6)

Docs

• Add icon preview to README (44ccc93)