Add MIT License, update package.json with new version and description, add package-lock.json, and configure tsconfig.json includes/excludes

tsconfig.json

@@ -25,5 +25,7 @@
     "noUnusedLocals": false,
     "noUnusedParameters": false,
     "noPropertyAccessFromIndexSignature": false
-  }
-}
+  },
+  "include": ["src"],
+  "exclude": ["test", "dist", "node_modules"]
+}