fix(docs): folling => following (#1408)

tkrotoff · HazAT · commit 144a6f709850 · 2018-06-28T08:32:31.000+02:00
diff --git a/packages/typescript/README.md b/packages/typescript/README.md
@@ -25,7 +25,7 @@ npm install --save-dev @sentry/typescript
 
 ## Usage
 
-Add the folling config files to your project's root directory:
+Add the following config files to your project's root directory:
 
 **tslint.json**:
 
