Patch v1.0.3

Mastopoet patch v1.0.2 released 🥳

Release post on Mastodon

Changes

• Fixed the CORS problem by using corsproxy.io (only after trying correct origin)
• Added embedding support (instructions in the README) #38
• Added alt text to EXIF metadata #37
• Added Akkoma support
• Added Firefish & Misskey support (thanks @thatismunn !)