adress dig's comments

- description in cargo.toml
- impl From<EventType> for EventTypeName
- rename `CommandApi::new_from_arc` -> `CommandApi::from_arc`
- pre-allocate if we know the entry count already
- remove unused enumerate
- remove unused serde attribute comment
- rename `FullChat::from_dc_chat_id` -> `FullChat::try_from_dc_chat_id`

deltachat-jsonrpc/Cargo.toml

@@ -1,6 +1,7 @@
 [package]
 name = "deltachat-jsonrpc"
 version = "1.86.0"
+description = "DeltaChat JSON-RPC API"
 authors = ["Delta Chat Developers (ML) <delta@codespeak.net>"]
 edition = "2021"
 default-run = "deltachat-jsonrpc-server"