This reduces the time for subsequent lints significantly.
e.g. for `package/frontend`, the first run takes ~10min.
With the cache, every subsequent run takes only a few seconds.
Fixes User and Notes count bug (transfem-org/Sharkey#113)
Fixes build issues due to types (transfem-org/Sharkey#111)
Return accounts and notes like Iceshrimp
Use MFM class from Iceshrimp to fix HTML output for mastodon
