feat: clang-tidy checks private and protected member suffix (#309)

Author: HuaHuaY

.clang-tidy

@@ -21,6 +21,7 @@ Checks: |
   clang-analyzer-*,
   google-*,
   modernize-*,
+  readability-identifier-naming,
   -modernize-use-nodiscard,
   -modernize-use-trailing-return-type,
 
@@ -33,5 +34,9 @@ CheckOptions:
     value:  '10'
   - key:    google-readability-namespace-comments.SpacesBeforeComments
     value:  '2'
+  - key:    readability-identifier-naming.PrivateMemberSuffix
+    value:  '_'
+  - key:    readability-identifier-naming.ProtectedMemberSuffix
+    value:  '_'
 
-HeaderFilterRegex: '(src|test|example)'
+HeaderFilterRegex: '(?!_deps)(src|test|example)'