chore: add yamllint rules for braces (tier4#39)

* feat: add yamllint rules for braces and brackets

Signed-off-by: h-ohta <[email protected]>

* fix: delete brackets rule

Signed-off-by: h-ohta <[email protected]>

* chore: add comment

Co-authored-by: Kenji Miyake <[email protected]>

* chore: update comment

Co-authored-by: Kenji Miyake <[email protected]>

Co-authored-by: Kenji Miyake <[email protected]>

Author: h-ohta

.yamllint.yaml

@@ -5,6 +5,9 @@ ignore: |
   *.param.yaml
 
 rules:
+  braces:
+    level: error
+    max-spaces-inside: 1 # To format with Prettier
   comments:
     level: error
     min-spaces-from-content: 1 # To be compatible with C++ and Python