chore: make headings on the homepage link to the relevant sections (#115

)

Felt wrong to not have the section headings link to the sections.
Fixed in this PR.

Signed-off-by: Xe Iaso <[email protected]>

src/content/docs/index.mdx

@@ -36,36 +36,50 @@ import "/src/styles/docs/index.scss";
 
 <CardGrid>
   <Block>
-    <h4>Signup form protection</h4>
+    <a href="/signup-protection/concepts">
+      <h4>Signup form protection</h4>
+    </a>
     Combine rate limiting, bot protection, and email validation to [protect your
     signup forms from abuse](/signup-protection/concepts).
   </Block>
   <Block>
-    <h4>Rate limiting</h4>
+    <a href="/rate-limiting/concepts">
+      <h4>Rate limiting</h4>
+    </a>
     [Set up rate limits](/rate-limiting/concepts) to prevent abuse of your
     application.
   </Block>
   <Block>
-    <h4>Bot protection</h4>
+    <a href="/bot-protection/concepts">
+      <h4>Bot protection</h4>
+    </a>
     [Manage traffic](/bot-protection/concepts) from automated clients and bots.
   </Block>
   <Block>
-    <h4>Email validation</h4>
+    <a href="/email-validation/concepts">
+      <h4>Email validation</h4>
+    </a>
     [Validate & verify](/email-validation/concepts) email addresses to prevent
     signup spam.
   </Block>
   <Block>
-    <h4>Shield</h4>
+    <a href="/shield/concepts">
+      <h4>Shield</h4>
+    </a>
     Protect your application from common attacks using [Arcjet
     Shield](/shield/concepts).
   </Block>
   <Block>
-    <h4>Sensitive information</h4>
+    <a href="/sensitive-info/concepts">
+      <h4>Sensitive information</h4>
+    </a>
     [Protects against](/sensitive-info/concepts) clients sending you PII that
     you do not wish to handle.
   </Block>
   <Block>
-    <h4>Architecture</h4>
+    <a href="/architecture">
+      <h4>Architecture</h4>
+    </a>
     Learn about [how Arcjet works](/architecture).
   </Block>
 </CardGrid>