pre-commit: Add in initial support

Add in github workflow.

Add in .pre-commit-config.yaml.

Updated man directory using pre-commit.

Others to follow.

.github/workflows/main.yml

@@ -238,3 +238,9 @@ jobs:
           cd build-dist
           $GITHUB_WORKSPACE/scripts/github_dist.sh
         shell: bash
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v3
+    - uses: pre-commit/action@v3.0.0