Update snippets quota docs

changelogs/unreleased/fj-225613-add-snippets-quota-information.yml

+---
+title: Update snippets housecleaning docs
+merge_request: 36715
+author:
+type: other

doc/user/admin_area/settings/account_and_limit_settings.md

@@ -30,11 +30,12 @@ details.
 
 This sets a maximum size limit on each namespace. The following are included in the namespace size:
 
-- repository
-- wiki
+- Repository
+- Wiki
 - LFS objects
-- build artifacts
-- packages
+- Build artifacts
+- Packages
+- Snippets
 
 NOTE: **Note:**
 This limit is not currently enforced but will be in a future release.

doc/user/snippets.md

@@ -96,6 +96,14 @@ This allows you to have a local copy of the snippet's repository and make
 changes as needed. You can commit those changes and push them to the remote
 master branch.
 
+### Reduce snippets repository size
+
+Since versioned Snippets are considered as part of the [namespace storage size](../user/admin_area/settings/account_and_limit_settings.md),
+it's recommended to keep snippets' repositories as compact as possible.
+
+For more information about tools to compact repositories,
+see the documentation on [reducing repository size](../user/project/repository/reducing_the_repo_size_using_git.md).
+
 ### Limitations
 
 - Binary files are not supported.