Add lint kind with pre-commit

Author: JohanLorenzo

taskcluster/kinds/lint/kind.yml

@@ -0,0 +1,23 @@
+loader: taskgraph.loader.transform:loader
+transforms:
+    - taskgraph.transforms.run
+    - taskgraph.transforms.task
+kind-dependencies:
+    - docker-image
+task-defaults:
+    worker-type: b-linux
+    worker:
+        docker-image: {in-tree: python}
+        max-run-time: 3600
+    run:
+        using: run-task
+        cwd: '{checkout}'
+tasks:
+    pre-commit:
+        description: Check code style with pre-commit hooks
+        run:
+            command: >-
+                cd bot &&
+                pip install --disable-pip-version-check --no-cache-dir --quiet -r requirements-dev.txt &&
+                cd .. &&
+                pre-commit run -a --show-diff-on-failure