Add buildifier to pre-commit configuration

Author: MaximilianSoerenPollak

.pre-commit-config.yaml

@@ -55,3 +55,13 @@ repos:
         entry: shellcheck
         language: system
         types: [shell]
+
+      - id: buildifier fix
+        name: bazel linting fix (container)
+        entry: buildifier --lint=fix -r .
+        language: system
+
+      - id: buildifier format
+        name: bazel formatting (container)
+        entry: buildifier -r .
+        language: system