add pre-commit

.pre-commit-config.yaml

@@ -0,0 +1,66 @@
+# Apply to all files without committing:
+#   pre-commit run --all-files
+# Update this file:
+#   pre-commit autoupdate
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.3.0
+    hooks:
+      - id: check-case-conflict
+      - id: check-json
+      - id: check-xml
+      - id: check-yaml
+      - id: fix-byte-order-marker
+      - id: trailing-whitespace
+        exclude: |
+          (?x)(
+            \.min\.css|
+            \.min\.js|
+            \.po|
+            \.mo|
+            swagger\.json
+          )
+      - id: end-of-file-fixer
+        exclude: |
+          (?x)(
+            \.min\.css|
+            \.min\.js|
+            \.po|
+            \.mo|
+            swagger\.json
+          )
+      - id: mixed-line-ending
+        args: [ '--fix=lf' ]
+      - id: fix-encoding-pragma
+        args: [ '--remove' ]
+
+  - repo: https://github.com/editorconfig-checker/editorconfig-checker.python
+    rev: 2.6.1
+    hooks:
+      - id: editorconfig-checker
+        exclude: |
+          (?x)(
+            LICENSE|
+            allianceauth\/static\/allianceauth\/css\/themes\/bootstrap-locals.less|
+            \.po|
+            \.mo|
+            swagger\.json
+          )
+
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v3.1.0
+    hooks:
+      - id: pyupgrade
+        args: [ --py38-plus ]
+
+  - repo: https://github.com/pycqa/isort
+    rev: 5.10.1
+    hooks:
+      - id: isort
+        name: isort (python)
+
+  - repo: https://github.com/asottile/setup-cfg-fmt
+    rev: v2.1.0
+    hooks:
+      - id: setup-cfg-fmt