added BaseIntrospector and reorganized connections

app/src/data/connection/index.ts

@@ -0,0 +1,12 @@
+export { Connection } from "./Connection";
+export { BaseIntrospector } from "./BaseIntrospector";
+
+// sqlite
+export { LibsqlConnection, type LibSqlCredentials } from "./sqlite/LibsqlConnection";
+export { SqliteConnection } from "./sqlite/SqliteConnection";
+export { SqliteLocalConnection } from "./sqlite/SqliteLocalConnection";
+export { SqliteIntrospector } from "./sqlite/SqliteIntrospector";
+
+// postgres
+export { PostgresConnection, type PostgresConnectionConfig } from "./postgres/PostgresConnection";
+export { PostgresIntrospector } from "./postgres/PostgresIntrospector";