Add electron:ignore which ignores invalid certificates (#1463)

package.json

@@ -36,6 +36,7 @@
     "build:renderer:dev": "cross-env NODE_ENV=development webpack --config webpack.renderer.js",
     "build:renderer:watch": "cross-env NODE_ENV=development webpack --config webpack.renderer.js --watch",
     "electron": "npm run build:main:dev && concurrently -k -n Main,Rend -c yellow,cyan \"electron --inspect=5858 ./build --watch\" \"npm run build:renderer:watch\"",
+    "electron:ignore": "npm run build:main:dev && concurrently -k -n Main,Rend -c yellow,cyan \"electron --inspect=5858 --ignore-certificate-errors ./build --watch\" \"npm run build:renderer:watch\"",
     "clean:dist": "rimraf ./dist/*",
     "clean:l10n": "git push origin --delete l10n_master",
     "pack:dir": "npm run clean:dist && electron-builder --dir -p never",