Make URL in readme a link

Author: boris

Diff for: README.md

@@ -1,4 +1,4 @@
-# rustpython.github.io
+# [rustpython.github.io](https://rustpython.github.io)
 
 <img src="./logo.png" width="125" height="125" align="right" />
 
@@ -67,4 +67,4 @@ The color scheme is that of the RustPython Logo:
 
 ![#306998](https://via.placeholder.com/15/306998/000000?text=+) `#306998` or `rgb(48, 105, 152)`  
 
-![#ffd43b](https://via.placeholder.com/15/ffd43b/000000?text=+) `#ffd43b` or `rgb(255, 212, 59)`  
+![#ffd43b](https://via.placeholder.com/15/ffd43b/000000?text=+) `#ffd43b` or `rgb(255, 212, 59)`