* Added matrix badge
* decreased the size of the matrix logo by more than 50%
* returning the size in fetch() instead of an object
* found another way to register a throwaway account (guest account). this one actually works on matrix.org, but I kept the old way as a backup method. also changed the POST from /members to /state because guest accounts didn't work with /members
* updated logo to a recolored version of the official logo
* Removed unnecessary comments.
Added documentation on how to create the badge URL.
Added a test that hits a real room to test for API compliance.
URLs are now obtained from getter functions.
Added JSON schema for the /state API request.
Improved state response filter.
Replaced example URL room ID to a dedicated testing room.
Made some error messages more helpful.
* correctly implemented requested changes
* changed color hex codes to constants