refactoring: Masive refactor to build the V2

migrations/events/V2__init_auth_event_table.sql

@@ -0,0 +1,8 @@
+create schema auth;
+create table auth.user_event_stream (
+    id           uuid  not null primary key,
+    aggregate_id uuid  not null,
+    version      int   not null,
+    data         jsonb not null,
+    unique(aggregate_id, version)
+);