Add basic migrations, query expression resolver

redis_developer/orm/cli/migrate.py

@@ -0,0 +1,16 @@
+import click
+from redis_developer.orm.migrations.migrator import Migrator
+
+
+@click.command()
+@click.option("--module", default="redis_developer")
+def migrate(module):
+    migrator = Migrator(module)    
+    
+    if migrator.migrations:
+        print("Pending migrations:")
+        for migration in migrator.migrations:
+            print(migration)
+    
+        if input(f"Run migrations? (y/n) ") == "y":
+            migrator.run()