add notice under Linux

app.js

@@ -74,6 +74,13 @@ const run = () => {
             await updateConfigVars(mainWindow);
             await tryLogin(mainWindow);
             await doUpdateCheck(mainWindow);
+            if (platform === "linux") {
+                console.log("yes");
+                mainWindow.webContents.send('status_update', {
+                    type: "info",
+                    message: "We detected that you are running the Launcher under Linux. It's currently just compatible with Arch and the osu AUR package!"
+                });
+            }
         })
         app.on('activate', function () {
             if (BrowserWindow.getAllWindows().length === 0) mainWindow = createWindow();

preload/preload.js

@@ -168,6 +168,14 @@ window.addEventListener('DOMContentLoaded', () => {
                 });
                 ipcRenderer.send("do-update-check");
                 break;
+            case "info":
+                Swal.fire({
+                    title: 'Info!',
+                    text: status.message,
+                    icon: 'info',
+                    confirmButtonText: 'Okay'
+                });
+                break;
             case "update-complete":
                 Swal.fire({
                     title: 'Yaaay!',