upd: change deps, fix a few bugs, update converter

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

packages/megalodon/src/entities/account.ts

@@ -5,15 +5,16 @@
 namespace Entity {
   export type Account = {
     id: string
+    fqn?: string
     username: string
     acct: string
     display_name: string
     locked: boolean
     discoverable?: boolean
-    group: boolean | null
-    noindex: boolean | null
-    suspended: boolean | null
-    limited: boolean | null
+    group?: boolean | null
+    noindex?: boolean | null
+    suspended?: boolean | null
+    limited?: boolean | null
     created_at: string
     followers_count: number
     following_count: number

packages/megalodon/src/entities/status.ts

@@ -17,7 +17,7 @@ namespace Entity {
     in_reply_to_account_id: string | null
     reblog: Status | null
     content: string
-    plain_content: string | null
+    plain_content?: string | null
     created_at: string
     emojis: Emoji[]
     replies_count: number