add user management functionality with OTP verification and consent handling, DI introduced

sqlc.yaml

@@ -0,0 +1,35 @@
+version: "2"
+sql:
+  - engine: postgresql
+    schema: "internal/db/migrations"
+    queries: "internal/db/queries"
+    gen:
+      go:
+        package: "db"
+        out: "internal/db/generated"
+        sql_package: "pgx/v5"
+        emit_interface: true
+        emit_json_tags: true
+        emit_pointers_for_null_types: true
+        overrides:
+          # Timestamp
+          - db_type: "pg_catalog.timestamp"
+            nullable: true
+            go_type:
+              import: "time"
+              type: "Time"
+              pointer: true
+          - db_type: "pg_catalog.timestamp"
+            go_type: "time.Time"
+          # UUID
+          - db_type: "uuid"
+            go_type:
+              import: "github.com/google/uuid"
+              type: "UUID"
+          - db_type: "uuid"
+            nullable: true
+            go_type:
+              import: "github.com/google/uuid"
+              type: "UUID"
+              pointer: true
+