docs: Fix errant link, add prek hook to require compilable docs

.pre-commit-config.yaml

@@ -57,3 +57,15 @@ repos:
         types: [rust]
         stages:
           - pre-push
+
+  - repo: local
+    hooks:
+      - id: docs-build
+        name: docs build
+        entry: npm run docs:build
+        language: system
+        pass_filenames: false
+        files: docs/
+        types: [mdx]
+        stages:
+          - pre-commit

docs/deploying/rpm.mdx

@@ -64,7 +64,7 @@ Nightly versions are built from the latest commit on the `main` branch every 24
 Nightly packages for openSUSE are **not currently available**.
 
 If there is an ongoing need for these, please ask in `#continuwuity:continuwuity.org` or [open an issue on Forgejo](https://forgejo.ellis.link/continuwuation/continuwuity/issues/new).
-In the meantime, you may follow the [generic deployment instructions](deployment/generic).
+In the meantime, you may follow the [generic deployment instructions](/deploying/generic).
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