update README to be more genericised

Author: JaredAAT

README.md

@@ -1,12 +1,12 @@
 # Jasmine
-## VS Code Jasmine snippets
+## VS Code JavaScript testing framework snippets
 -------------------
 
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-This extension contains code snippets for [Jasmine][jasmine] test framework and is based on the awesome [sublime-jasmine][sublime-jusmine] package by [@NicoSantangelo][NicoSantangelo].
+This extension contains code snippets for various JavaScript testing frameworks, based off of the [Jasmine][jasmine] test framework and is based on the awesome [sublime-jasmine][sublime-jusmine] package by [@NicoSantangelo][NicoSantangelo].
 
 [Original][original] credit should goto [xabikos][xabikos] for writing this extension.