Clean - Remove useless scaffolded files + Fix index export

src/greeter.ts

@@ -1,11 +0,0 @@
-export class Greeter {
-  private greeting: string;
-
-  constructor(message: string) {
-    this.greeting = message;
-  }
-
-  public greet(): string {
-    return `Bonjour, ${this.greeting}!`;
-  }
-}

src/index.ts

@@ -1 +1 @@
-export * from './greeter';
+export * from './renderer';