Added Corrosion Fix for Heroku

Credits: https://github.com/BinBashBanana/Corrosion-Heroku (very epic person)

lib/server/index.js

@@ -0,0 +1,61 @@
+const webpack = require('webpack');
+const createWebSocketProxy = require('./upgrade');
+const createRequestProxy = require('./request');
+const createGateway = require('./gateway');
+const middleware = {
+    ...require('./headers'),
+    ...require('./middleware'),
+    decompress: require('./decompress'),
+    rewriteBody: require('./rewrite-body'),
+};
+const path = require('path');
+const fs = require('fs');
+const defaultConfig = {
+    prefix: '/service/',
+    codec: 'plain',
+    forceHttps: false,
+    ws: true,
+    cookie: true,
+    title: 'Service',
+    requestMiddleware: [],
+    responseMiddleware: [],
+    standardMiddleware: true,
+};  
+
+class Corrosion extends require('../rewrite') {
+    constructor(config = defaultConfig) {
+        super(Object.assign(defaultConfig, config));
+        if (this.config.standardMiddleware) {
+            this.config.requestMiddleware.unshift(
+                middleware.requestHeaders,
+            );  
+            this.config.responseMiddleware.unshift(
+                middleware.responseHeaders,
+                middleware.decompress,
+                middleware.rewriteBody,
+            );
+        };
+        this.gateway = createGateway(this);
+        this.upgrade = createWebSocketProxy(this);
+        this.request = createRequestProxy(this);
+        if (!fs.existsSync(path.join(__dirname, 'bundle.js'))) this.bundleScripts();
+    }; 
+    bundleScripts() {
+        webpack({
+            mode: 'none',
+            entry: path.join(__dirname, '../../lib/browser/index.js'),
+            output: {
+                path: __dirname,
+                filename: 'bundle.js',
+            }
+        }, err => 
+            console.log(err || 'Bundled scripts')
+        );
+    };
+    get script() {
+        return fs.existsSync(path.join(__dirname, 'bundle.js')) ? fs.readFileSync(path.join(__dirname, 'bundle.js')) : 'Client script is still compiling or has crashed.'
+    };
+};
+
+Corrosion.middleware = middleware;
+module.exports = Corrosion;