[Logs] Creates changelog folder for Logs (cloudflare#22823)

* Creates changelog folder for Logs

* Updates file's names

Author: angelampcosta

src/content/docs/logs/changelog/audit-logs.mdx

@@ -0,0 +1,12 @@
+---
+pcx_content_type: changelog
+title: Audit Logs
+sidebar:
+  order: 140
+---
+
+import { ProductChangelog } from "~/components";
+
+{/* <!-- Actual content lives in /src/content/changelog/logs. Update the file there for new entries to appear here. */}
+
+<ProductChangelog product="audit-logs" />

src/content/docs/logs/changelog/index.mdx

@@ -0,0 +1,8 @@
+---
+pcx_content_type: changelog
+title: Changelog
+sidebar:
+  order: 140
+  group:
+    hideIndex: true
+---

src/content/docs/logs/changelog.mdx renamed to src/content/docs/logs/changelog/logs.mdx

@@ -1,6 +1,6 @@
 ---
 pcx_content_type: changelog
-title: Changelog
+title: Logs
 sidebar:
   order: 140
 ---