Fix couple of code blocks, doc paths in docgen templates.
* Replace ```shell with ```sh to fix jekyll build errors
* Fix paths in docgen templates for new docs site directory structure.
* Add jekyll build output directories to gitignore.
RELNOTES: None
PiperOrigin-RevId: 159020213
diff --git a/.gitignore b/.gitignore
index 62dc648..9b4e4ea 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,6 @@
/bazel-*
# Ignore outputs generated during Bazel bootstrapping.
/output/
+# Ignore jekyll build output.
+/production
+/.sass-cache
