Model and DB refactor (#61)

- [x] Move from `sqlx` to `rusqlite`
- [x] Generate TS types from Rust models

src-web/hooks/usePinnedGrpcConnection.ts

@@ -1,4 +1,4 @@
-import type { GrpcConnection, GrpcRequest } from '../lib/models';
+import type { GrpcConnection, GrpcRequest } from '@yaakapp/api';
 import { useGrpcConnections } from './useGrpcConnections';
 import { useKeyValue } from './useKeyValue';
 import { useLatestGrpcConnection } from './useLatestGrpcConnection';