feat: updated

Author: Manthan Ankolekar

README.md

@@ -45,6 +45,7 @@
   - [AfterContentChecked](#aftercontentchecked)
   - [OnDestroy](#ondestroy)
 - [Forms](#forms)
+- [Signals](#signals)
 - [Http](#http)
 - [Module](#module)
 - [Router](#router)
@@ -1557,6 +1558,10 @@ FormArrays
 
 ```
 
+## Signals
+
+A signal is a wrapper around a value that can notify interested consumers when that value changes. Signals can contain any value, from simple primitives to complex data structures.
+
 ## HTTP
 
 Import HttpClient Module in Root Module -