Split main.py to separate packages and classes

app/webview_api/WebviewApi.py

@@ -0,0 +1,13 @@
+import os
+
+
+class WebviewApi():
+    def hello(self):
+        print('Received hello()!')
+        print('Returning "meow"!')
+        return "meow"
+
+    def list_mods(self):
+        sdv_root_dir = "/data/Games/SteamLibrary/steamapps/common/Stardew Valley"
+        mod_list = os.listdir(sdv_root_dir + "/Mods")
+        return mod_list

app/webview_api/__init__.py

@@ -0,0 +1 @@
+from .WebviewApi import WebviewApi