chore(sdlc): configure pre-commit, pr linters, and stale issue automation

Author: Aitomates

.github/workflows/pr-lint.yml

@@ -0,0 +1,16 @@
+name: PR Lint
+on:
+  pull_request_target:
+    types:
+      - opened
+      - edited
+      - synchronize
+
+jobs:
+  main:
+    name: Validate PR title
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/stale.yml

@@ -0,0 +1,15 @@
+name: Mark stale issues and pull requests
+on:
+  schedule:
+  - cron: '0 0 * * *'
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/stale@v8
+      with:
+        stale-issue-message: 'This issue is stale because it has been open 60 days with no activity.'
+        stale-pr-message: 'This PR is stale because it has been open 60 days with no activity.'
+        days-before-stale: 60
+        days-before-close: 7

.pre-commit-config.yaml

@@ -0,0 +1,6 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer