Readme updated

TypeScript/README.md

@@ -10,6 +10,18 @@ Install dependencies
 npm install
 ```
 
+## Running app
+_You may need to install `ts-node`_
+
+```sh
+npx ts-node test/golden-master-text-test.ts
+```
+
+Or with number of days as args:
+```sh
+npx ts-node test/golden-master-text-test.ts 10
+```
+
 ## Running tests
 
 To run all tests