ci: add integration workflow to check if files end in a newline character

Author: DaleSeo

.github/workflows/integration.yaml

@@ -0,0 +1,11 @@
+name: 🔄 Integration
+
+on:
+  pull_request:
+
+jobs:
+  linelint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: fernandrone/linelint@0.0.6

.linelint.yml

@@ -0,0 +1,18 @@
+# 'true' will fix files
+autofix: false
+
+# list of paths to ignore, uses gitignore syntaxes (executes before any rule)
+ignore:
+  - "*.md"
+
+rules:
+  # checks if file ends in a newline character
+  end-of-file:
+    # set to true to enable this rule
+    enable: true
+
+    # set to true to disable autofix (if enabled globally)
+    disable-autofix: false
+
+    # if true also checks if file ends in a single newline character
+    single-new-line: false