Set up icon for electron app

- Linux uses BrowserWindow icon option, but the filename was incorrect.
- Windows and Mac use packagerConfig, which differentiates on the file extension automatically, but the file names have to be the same otherwise.

TODO.md

@@ -157,7 +157,6 @@ Electron boilerplate stuff:
 
 * [Set up Content-Security-Policy](https://electronjs.org/docs/tutorial/security)
 * Remember window position/state
-* Add icon to built executable
 * Set up autoupdating
 * Keep window hidden until loaded (`show: false`, [`ready-to-show`](https://electronjs.org/docs/api/browser-window#event-ready-to-show))
 * Ideally name the executable `jspaint.exe` instead of `JS Paint.exe`

package.json

@@ -27,7 +27,9 @@
   "main": "src/electron-main.js",
   "config": {
     "forge": {
-      "packagerConfig": {},
+      "packagerConfig": {
+        "icon": "./images/icons/jspaint"
+      },
       "makers": [
         {
           "name": "@electron-forge/maker-squirrel",

src/electron-main.js

@@ -25,10 +25,10 @@ const createWindow = () => {
 		minHeight: 360,
 		icon: require("path").join(__dirname, "../images/icons",
 			process.platform === "win32" ?
-				"windows.ico" :
+				"jspaint.ico" :
 				process.platform === "darwin" ?
-					"mac.icns" :
-					"48.png"
+					"jspaint.icns" :
+					"48x48.png"
 		),
 		title: "JS Paint",
 		webPreferences: {