clarify some wording and ignore stdout for subprocesses (?)

src/appmanager/provider.js

@@ -2,10 +2,12 @@
 /*
     Example of an app tile definition:
 
+    !!! WARNING: ALL NON-HTTPS IMAGES WILL BE REJECTED BY THE CONTENT POLICY. (in backgroundImageExt)
+
     const myApp = {
         name: "App",
         style: {
-            backgroundImageExt: `url("http://example.com/my-app-logo.svg")`,
+            backgroundImageExt: `url("https://example.com/my-app-logo.svg")`,
             backgroundColor: "#ffffff"
         },
         component: null,

src/components/AppTileGrid.svelte

@@ -15,7 +15,7 @@
                 Nothing to see here!
             </h1>
             <p>
-                You must first specify which apps tiles to have on the home screen by editing `appmanager/provider.js`. This will be easier in the future.
+                You must first specify which apps tiles to have on the home screen by editing `src/appmanager/provider.js`. This will be easier in the future.
             </p>
         </div>
     {/if}

src/index.js

@@ -19,7 +19,9 @@ const createWindow = () => {
 };
 
 ipcMain.on("spawnAndSuspendRendering", (event, process, args) => {
-    const proc = spawn(process, args);
+    const proc = spawn(process, args, {
+        stdio: "ignore"
+    });
 
     mainWindow.destroy();