Moving .pre-commig-config from fairinternal.

.pre-commit-config.yaml

@@ -0,0 +1,15 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.1.0
+    hooks:
+      - id: trailing-whitespace
+      - id: check-ast
+      - id: check-merge-conflict
+      - id: check-added-large-files
+        args: ["--maxkb=2000"]
+      - id: end-of-file-fixer
+
+  - repo: https://github.com/psf/black
+    rev: 22.3.0
+    hooks:
+      - id: black