Add binary property to package JSON

package.json

@@ -3,6 +3,7 @@
   "version": "1.0.0",
   "description": "A miniature web API to render KaTeX for use in internal projects.",
   "main": "server.js",
+  "bin": "server.js",
   "author": "Danila Fedorin",
   "license": "MIT",
   "dependencies": {

server.js

@@ -9,4 +9,5 @@ app.post('/render', (req, res) => {
     res.send(req.body.equations.map(eq =>
         katex.renderToString(eq.str, { throwOnError: false, displayMode: eq.display })));
 });
+console.log('Starting KaTeX server');
 app.listen(8000);