added scaffold struct for the prj

kg_ocr/ocr/constants.py

@@ -0,0 +1,15 @@
+from pathlib import Path
+
+import platform
+
+def_paths = {
+    "Darwin": Path.home() / "Desktop",
+    "Windows": Path.home() / "Pictures" / "Screenshots",
+    "Linux": Path.home() / "Pictures",
+}
+
+sc_pathpatterns = {
+    "Darwin": ["SCR*.png", "Screenshot*.png"],
+    "Windows": ["Screenshot*.png"],
+    "Linux": ["Screenshot*.png", "scrot*.png", "screenshot*.png"],
+}