Copy over changelogs from fern repo (#246)

Author: fern-support

fern/products/cli-api-reference/cli-changelog/2025-07-30.mdx

@@ -0,0 +1,12 @@
+## 0.65.37
+**`(feat):`** Add support for snippet.json output as part of self hosted SDK generation. The following config in 
+`generators.yml` will generate a `snippet.json` file in the relevant director: 
+```
+groups: 
+  ts-sdk: 
+    - name: fernapi/fern-typescript-sdk
+      snippets: 
+        path: ../snippets.json
+```
+
+