Add pre-commit.

.pre-commit-config.yaml

@@ -0,0 +1,20 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      - id: trailing-whitespace
+        args: ["--markdown-linebreak-ext=md,markdown"]
+        exclude: \.svg$
+      - id: end-of-file-fixer
+        exclude: \.svg$
+      - id: check-yaml
+      - id: double-quote-string-fixer
+        exclude: \.svg$
+  - repo: https://github.com/gitleaks/gitleaks
+    rev: v8.26.0
+    hooks:
+      - id: gitleaks
+  - repo: https://github.com/thoughtworks/talisman
+    rev: v1.37.0
+    hooks:
+      - id: talisman-commit