ipfs-css v1.2.0

Adds icons for external links:

• stroke_link_external.svg
• glyph_link_external.svg

See https://gateway.ipfs.io/ipfs/QmWB4HTz8G9RQeNumjFqHeHD7ziVkC3bfxWe37oEE75LZv to view them in the full icon list!