Prepare watch mode & config lesson

Author: mstephen19

content/academy/switching_to_typescript/images/replace-with-unknown.webp

@@ -1,6 +1,6 @@
 ---
 title: Unknown, any, type guards & type casting
-description: Create your own custom types using the "type" keyword, understand the "void" type, and learn how to write custom function types.
+description: Understand the "unknown" and "any" types, as well as how to use type guards to make your code safer and type casting to avoid common TypeScript compiler errors.
 menuWeight: 7.6
 paths:
     - switching-to-typescript/unknown-and-type-casting

content/academy/switching_to_typescript/unknown_and_type_casting.md

@@ -0,0 +1,11 @@
+---
+title: Watch mode & tsconfig.json
+description: description
+menuWeight: 7.7
+paths:
+    - switching-to-typescript/watch-mode-and-tsconfig
+---
+
+# [](#watch-mode-and-tsconfig) Watch mode and tsconfig.json
+
+content