docs(README.md): update

sciborrudnicki · sciborrudnicki · commit d32f86e98b0c · 2021-05-13T15:57:37.000+02:00
diff --git a/README.md b/README.md
@@ -68,7 +68,9 @@ import {
   isType,
   isUndefined
 } from '@angular-package/type';
+```
 
+```typescript
 // `are` prefix functions.
 import {
   areString
diff --git a/packages/type/README.md b/packages/type/README.md
@@ -68,7 +68,9 @@ import {
   isType,
   isUndefined
 } from '@angular-package/type';
+```
 
+```typescript
 // `are` prefix functions.
 import {
   areString
