feat: 从~/.hydro/env读取环境变量

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.15.6",
+    "version": "2.15.7",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",

packages/hydrooj/src/options.ts

@@ -6,6 +6,14 @@ import { Logger } from './logger';
 const logger = new Logger('options');
 
 export = function load() {
+    const envFile = path.resolve(os.homedir(), '.hydro', 'env');
+    if (fs.existsSync(envFile)) {
+        const content = fs.readFileSync(envFile).toString();
+        for (const line of content.split('\n')) {
+            process.env[line.split('=')[0]] = line.split('=')[1];
+        }
+    }
+
     let f = path.resolve(process.cwd(), 'config.json');
     if (!fs.existsSync(f)) f = path.resolve(__dirname, 'config.json');
     if (!fs.existsSync(f)) f = path.resolve(os.homedir(), '.config', 'hydro', 'config.json');