🔧 Add CI workflow

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: JoshLuedeman

.github/workflows/ci.yml

@@ -0,0 +1,50 @@
+name: "🔧 CI"
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  lint-and-validate:
+    name: "✅ Lint & Validate"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Detect and Lint
+        run: |
+          # Terraform
+          if ls *.tf 1>/dev/null 2>&1 || find . -name "*.tf" -maxdepth 3 | grep -q .; then
+            echo "::group::Terraform Format Check"
+            terraform fmt -check -recursive -diff || true
+            echo "::endgroup::"
+          fi
+
+          # Python
+          if ls *.py 1>/dev/null 2>&1 || find . -name "*.py" -maxdepth 3 | grep -q .; then
+            echo "::group::Python Lint"
+            pip install ruff 2>/dev/null
+            ruff check . || true
+            echo "::endgroup::"
+          fi
+
+          # Shell scripts
+          if ls *.sh 1>/dev/null 2>&1 || find . -name "*.sh" -maxdepth 3 | grep -q .; then
+            echo "::group::Shell Lint"
+            sudo apt-get install -y shellcheck 2>/dev/null
+            find . -name "*.sh" -maxdepth 3 -exec shellcheck {} + || true
+            echo "::endgroup::"
+          fi
+
+          # Markdown
+          if ls *.md 1>/dev/null 2>&1; then
+            echo "Markdown files found — consider adding markdownlint"
+          fi
+
+          echo "✅ Linting complete"