Initial release (v0.1.0)

Initial release of a set of proposed building block icons representing the following IndieWeb practices, features, and standards:

• Concepts: personal domain, PESOS and POSSE
• Microformats: microformats, h-card, h-cite, h-event, h-entry, h-feed, h-review, JF2, mf2 and rel-me
• Protocols: IndieAuth, Micropub, Microsub, WebSub, Webmention, Salmention and Vouch