add a check script to run tsc better

Author: Sayeem2004

package.json

@@ -6,6 +6,7 @@
     "scripts": {
         "build": "tsc && eleventy",
         "serve": "tsc && concurrently \"tsc --watch\" \"eleventy --serve --port=8080\"",
+        "check": "tsc --noEmit",
         "test": "echo \"Error: no test specified\" && exit 1"
     },
     "keywords": [],