Some linting fixes and example improvements

.eslintignore

@@ -1,2 +1,4 @@
 lib/
 node_modules/
+example/
+rollup.config.js

README.md

@@ -14,8 +14,13 @@ npm install @dm1sh/eserver
 
 ```typescript
 import eServer from "@dm1sh/eserver"
+import cors from "cors"
 
 const app = new eServer()
 
+app.use(cors())
+
+app.route("/", (req, res) => res.send("Welcome home"))
+
 app.listen(5000)
 ```

example/index.js

@@ -0,0 +1,10 @@
+const eServer = require("@dm1sh/eserver")
+// import cors from "cors"
+
+const app = new eServer()
+
+// app.use(cors())
+
+app.route("/", (req, res) => res.send("Welcome home"))
+
+app.listen(5000)