Simpler logo (#229)

* Simpler Signals logo

* Add files via upload

* Rename square-signals-2.svg to logo-small.svg

* Add files via upload

* Update README.md

* Delete signals-logo.png

Author: littledan

README.md

@@ -1,5 +1,5 @@
 # 🚦 JavaScript Signals standard proposal🚦
-<img align=right src="signals-logo.png" alt="Signals logo" width=100>
+<img align=right src="Signals.svg" alt="Signals logo" width=100>
 
 Stage 1 ([explanation](https://tc39.es/process-document/))