fix: 🐛 Fix broken links

app/extensions/polls/page.mdx

@@ -21,7 +21,7 @@ Note that there is no `question` field: the question should be included in the `
     <Col>
         <Properties>
             <Property name="options" type="ContentFormat[]" required="true">
-                Array of options for the poll. Each option is a [ContentFormat](/entities/content-format) that can contain the same properties as a Note's `content` (e.g. [Custom Emojis](/extensions/custom-emojis) or HTML hyperlinks).
+                Array of options for the poll. Each option is a [ContentFormat](/structures/content-format) that can contain the same properties as a Note's `content` (e.g. [Custom Emojis](/extensions/custom-emojis) or HTML hyperlinks).
             </Property>
             <Property name="votes" type="number[]" required="true" numberType="u64">
                 Array of the number of votes for each option. The length of this array should match the length of the `options` array.

app/extensions/reactions/page.mdx

@@ -58,7 +58,7 @@ The Reactions Extension extends the [Note](/entities/note) entity with the follo
     <Col>
         <Properties>
             <Property name="reactions" type="array" required>
-                URI to a [Collection](/entities/collection) of the [Reactions](#entity-definition) attached to the note.
+                URI to a [Collection](/structures/collection) of the [Reactions](#entity-definition) attached to the note.
             </Property>
         </Properties>
     </Col>

components/Resources.tsx

@@ -40,10 +40,10 @@ const resources: ResourceType[] = [
         },
     },
     {
-        href: "/security",
-        name: "Security",
+        href: "/federation",
+        name: "Federation",
         description:
-            "Learn how to secure your Versia implementation and protect your users' data.",
+            "Learn how to federate data across the Versia federation network.",
         icon: "tabler:building-bank",
         pattern: {
             y: -6,