chore: Update workflow name to 'Tests' and add badge to README

Author: alec-jensen

.github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: Run Tests
+name: Tests
 
 on:
   push:

README.md

@@ -1,5 +1,7 @@
 <img src="assets/firescript-logo.svg" alt="firescript logo" width="200"/>
 
+[![Tests](https://github.com/alec-jensen/firescript/actions/workflows/test.yml/badge.svg)](https://github.com/alec-jensen/firescript/actions/workflows/test.yml)
+
 # firescript
 
 firescript is a statically and strongly typed programming language that compiles natively or to JavaScript + Wasm. It is designed to be simple, powerful, and easy to learn while remaining expressive for advanced applications.