ci(cz): add commitizen

Signed-off-by: Matej Focko <mfocko@redhat.com>

.cz.toml

@@ -0,0 +1,26 @@
+[tool]
+[tool.commitizen]
+name = "cz_customize"
+
+[tool.commitizen.customize]
+message_template = "{{type_lang}}: add «{{problem}}»"
+example = "cpp: add «997. Find the Town Judge»"
+schema = "‹type_lang›: ‹message›"
+schema_pattern = """\
+  (?s)\
+  (chore|ci|cpp|cs|go|java|js|kt|rb|rs|swift)\
+  (\\(\\S+\\))?!?:\
+  ( [^\\n\\r]+)\
+  ((\\n\\n.*)|(\\s*))?$\
+"""
+
+[[tool.commitizen.customize.questions]]
+type = "list"
+name = "type_lang"
+choices = ["cpp", "cs", "go", "java", "js", "kt", "rb", "rs", "swift", "chore", "ci"]
+message = "Select the language (or type of change) you are commiting"
+
+[[tool.commitizen.customize.questions]]
+type = "input"
+name = "problem"
+message = "Type the problem name in form of: ‹number. Name›"

.pre-commit-config.yaml

@@ -15,3 +15,10 @@ repos:
       files: \.rs$
     - id: clang-format
       files: \.cpp$
+- repo: https://github.com/commitizen-tools/commitizen
+  rev: v3.15.0
+  hooks:
+  - id: commitizen
+  - id: commitizen-branch
+    stages:
+    - push