transparency support on Linux

app/lib/config.ts

@@ -0,0 +1,13 @@
+import * as fs from 'fs'
+import * as path from 'path'
+import * as yaml from 'js-yaml'
+import { app } from 'electron'
+
+export function loadConfig (): any {
+    let configPath = path.join(app.getPath('userData'), 'config.yaml')
+    if (fs.existsSync(configPath)) {
+        return yaml.safeLoad(fs.readFileSync(configPath, 'utf8'))
+    } else {
+        return {}
+    }
+}