slider mode commands split up

config.py added. loads custom user settings

_make_gestures moved into util.py

addon/globalPlugins/voicemeeter/config.py

@@ -0,0 +1,20 @@
+import json
+from pathlib import Path
+
+
+def config_from_json():
+    pn = Path.home() / "Documents" / "Voicemeeter" / "nvda_settings.json"
+    data = None
+    if pn.exists():
+        with open(pn, "r") as f:
+            data = json.load(f)
+    return data or {}
+
+
+__config = config_from_json()
+
+
+def get(name, default=None):
+    if name in __config:
+        return __config[name]
+    return default