refactor: reorganize project structure by moving core modules and update import paths in API server

.temp/test_cloud2.py

@@ -0,0 +1,10 @@
+from cloud_removal import DeepInpaintingStrategy
+import torch
+import numpy as np
+
+cr = DeepInpaintingStrategy(model_path="cloud_removal_model/cloud_removal_unet_best.pth")
+if cr.model is not None:
+    expected = list(cr.model.parameters())[0].shape[1]
+    print("Expected channels:", expected)
+else:
+    print("Failed to load model")