add build script

.gitignore

@@ -2,3 +2,5 @@ node_modules/
 
 # coverage analysis output
 .nyc_output/
+
+dist/

package.json

@@ -28,6 +28,7 @@
 		"test": "mocha --require ts-node/register",
 		"test-all": "mocha --require ts-node/register './src/**/*.test.ts'",
 		"test-with-coverage": "nyc --reporter=text mocha --require ts-node/register",
-		"test-all-with-coverage": "nyc --reporter=text mocha --require ts-node/register './src/**/*.test.ts'"
+		"test-all-with-coverage": "nyc --reporter=text mocha --require ts-node/register './src/**/*.test.ts'",
+		"build": "tsc"
 	}
 }