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

Author: Aitomates

.github/workflows/pr-lint.yml

@@ -0,0 +1,15 @@
+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

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+name: "Close stale issues and PRs"
+on:
+  schedule:
+    - cron: "30 1 * * *"
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v8
+        with:
+          days-before-stale: 60
+          days-before-close: 7
+          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."
+          operations-per-run: 50

.pre-commit-config.yaml

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+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer