Add ymlfmt

.pre-commit-config.yaml

@@ -1,19 +1,23 @@
 # See https://pre-commit.com for more information
 # See https://pre-commit.com/hooks.html for more hooks
 repos:
--   repo: https://github.com/pre-commit/pre-commit-hooks
+  - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v3.2.0
     hooks:
-    -   id: trailing-whitespace
-    -   id: end-of-file-fixer
-    -   id: check-yaml
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
         exclude: "(^mkdocs\\.yml$)"
-    -   id: check-added-large-files
--   repo: https://github.com/pre-commit/mirrors-prettier
+      - id: check-added-large-files
+  - repo: https://github.com/pre-commit/mirrors-prettier
     rev: 'v3.0.3'
     hooks:
-    -   id: prettier
+      - id: prettier
         types_or:
           - javascript
           - markdown
           - jsx
+  - repo: https://github.com/google/yamlfmt
+    rev: v0.14.0
+    hooks:
+      - id: yamlfmt