add .justfile (#2325)

.justfile

@@ -0,0 +1,20 @@
+@isort:
+    pre-commit run isort --show-diff-on-failure --all-files
+
+@black:
+    pre-commit run black --show-diff-on-failure --all-files
+
+@ruff:
+    pre-commit run ruff --all-files
+
+@flake8:
+    pre-commit run flake8 --hook-stage manual --all-files
+
+@mypy:
+    pre-commit run mypy --hook-stage manual --all-files
+
+@deptry:
+    pre-commit run deptry --hook-stage manual --all-files
+
+lint: isort black ruff flake8 mypy deptry
+

CHANGELOG.md

@@ -6,7 +6,8 @@
 
 - add landing page https://mandiant.github.io/capa/ @williballenthin #2310
 - add rules website https://mandiant.github.io/capa/rules @DeeyaSingh #2310
-
+- add .justfile @williballenthin #2325
+
 ### Breaking Changes
 
 ### New Rules (0)