Merge pull request #78 from Lazza/master

Add support for building a single executable for Windows

electron-builder.json

@@ -0,0 +1,10 @@
+{
+    "directories": {
+        "app": "dist",
+        "output": "app-builds"
+    },
+    "win": {
+        "icon": "dist/favicon",
+        "target": ["portable"]
+    }
+}

package.json

@@ -31,6 +31,7 @@
     "electron:prod": "npm run build:prod && electron ./dist",
     "electron:linux": "npm run build:prod && node package.js --asar --platform=linux --arch=x64",
     "electron:windows": "npm run build:prod && node package.js --asar --platform=win32 --arch=ia32",
+    "electron:winportable": "npm run build:prod && npx electron-builder build --windows",
     "electron:mac": "npm run build:prod && node package.js --asar --platform=darwin --arch=x64",
     "test": "karma start ./karma.conf.js",
     "pree2e": "webdriver-manager update --standalone false --gecko false --quiet && npm run build",
@@ -63,6 +64,7 @@
     "css-loader": "0.28.7",
     "cssnano": "3.10.0",
     "electron": "1.7.8",
+    "electron-builder": "19.45.4",
     "electron-packager": "9.1.0",
     "electron-reload": "1.2.1",
     "exports-loader": "0.6.4",