add gitignore

Author: PJEstrada

.gitignore

@@ -3,3 +3,27 @@
 *.sqlite
 .vs/PythonSettings.json
 .vs/VSWorkspaceState.json
+
+.idea/
+
+sdk/diffgram/__pycache__/
+
+sdk/diffgram/brain/__pycache__/
+
+sdk/diffgram/convert/__pycache__/
+
+sdk/diffgram/core/__pycache__/
+
+sdk/diffgram/export/__pycache__/
+
+sdk/diffgram/file/__pycache__/
+
+sdk/diffgram/job/__pycache__/
+
+sdk/diffgram/label/__pycache__/
+
+sdk/diffgram/regular/__pycache__/
+
+sdk/diffgram/task/__pycache__/
+
+sdk/diffgram/utils/__pycache__/