Add pre-commit hooks for the repo

This introduces pre-commit configurations to run golangci before any
commits occur.  Goal is to decrease the number of "fixup linter"
type commit messages in the repo.

.pre-commit-config.yaml

@@ -0,0 +1,14 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.2.0
+    hooks:
+    -   id: trailing-whitespace
+    -   id: end-of-file-fixer
+    -   id: check-yaml
+    -   id: check-added-large-files
+-   repo: https://github.com/golangci/golangci-lint
+    rev: v1.54.2
+    hooks:
+    -   id: golangci-lint