Change to wording on consentful

"At its core" -- not sure I agree BUT I love the link!

app.py

@@ -12,7 +12,8 @@ principles = [
     {
         "title": "Consentful",
         "content": """
-        Consentful technology is built with [consent at its core](https://www.consentfultech.io).
+        [What is consentful tech?](https://www.consentfultech.io)
+        Consentful technology supports the self-determination of people who use and are affected by these technologies.
         
         For Spaces, some examples of this can include: