feat: Add VoiceContext for managing LiveKit voice chat connections, state, and actions with Convex integration.

Frontend/Electron/src/contexts/VoiceContext.jsx

@@ -93,6 +93,11 @@ export const VoiceProvider = ({ children }) => {
                 audioPreset: { maxBitrate: 384_000 },
                 dtx: true,
                 red: true,
+                screenShareEncoding: {
+                  maxBitrate: 10_000_000,
+                  maxFramerate: 60,
+                },
+                screenShareSimulcastLayers: [],
               },
             });
             await newRoom.connect(import.meta.env.VITE_LIVEKIT_URL, lkToken);