feat: implement transparency for Windows (#46)

src/main/ipc.ts

@@ -7,6 +7,7 @@
 import { app, dialog, ipcMain, session, shell } from "electron";
 import { existsSync, readFileSync, watch } from "fs";
 import { open, readFile } from "fs/promises";
+import { release } from "os";
 import { join } from "path";
 import { debounce } from "shared/utils/debounce";
 
@@ -41,6 +42,10 @@ ipcMain.on(IpcEvents.GET_VERSION, e => {
     e.returnValue = app.getVersion();
 });
 
+ipcMain.on(IpcEvents.SUPPORTS_WINDOWS_TRANSPARENCY, e => {
+    e.returnValue = process.platform === "win32" && Number(release().split(".").pop()) >= 22621;
+});
+
 ipcMain.on(IpcEvents.AUTOSTART_ENABLED, e => {
     e.returnValue = autoStart.isEnabled();
 });

src/main/mainWindow.ts

@@ -262,6 +262,15 @@ function createMainWindow() {
         },
         icon: ICON_PATH,
         frame: VencordSettings.store.frameless !== true,
+        ...(Settings.store.transparencyOption !== "none"
+            ? {
+                  backgroundColor: "#00000000",
+                  backgroundMaterial: Settings.store.transparencyOption,
+                  transparent: true
+              }
+            : {
+                  transparent: false
+              }),
         ...(Settings.store.staticTitle ? { title: "Vencord" } : {}),
         ...(VencordSettings.store.macosTranslucency
             ? {