feat: add comprehensive security scanning and EditorConfig integration

- Add govulncheck, Snyk, and Trivy vulnerability scanning
- Create security workflow for automated scanning on push/PR/schedule
- Add gitleaks for secrets detection and prevention
- Implement EditorConfig linting with eclint and editorconfig-checker
- Update Makefile with security and formatting targets
- Create SECURITY.md with vulnerability reporting guidelines
- Configure Dependabot for automated dependency updates
- Fix all EditorConfig violations across codebase
- Update Go version to 1.23.10 to address stdlib vulnerabilities
- Add tests for internal/helpers package (80% coverage)
- Remove deprecated functions and migrate to error-returning patterns
- Fix YAML indentation in test fixtures to resolve test failures

testdata/example-action/README.md

@@ -1,37 +1,86 @@
 # Example Action
 
+![check](https://img.shields.io/badge/icon-check-green) ![GitHub](https://img.shields.io/badge/GitHub%20Action- -blue) ![License](https://img.shields.io/badge/license-MIT-green)
 
 > Test Action for gh-action-readme
 
-## Usage
+## 🚀 Quick Start
 
 ```yaml
-- uses: ivuorinen/gh-action-readme/example-action@v1
-  with:
-    input1: # First input (default: foo)
-    input2: # Second input
+name: My Workflow
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Example Action
+        uses: ivuorinen/gh-action-readme/example-action@v1
+        with:
+          input1: "foo"
+          input2: "value"
 ```
 
-## Inputs
 
+## 📥 Inputs
 
-- **input1**: First input (**required**) (default: foo)
-
-- **input2**: Second input
+| Parameter | Description | Required | Default |
+|-----------|-------------|----------|---------|
+| `input1` | First input | ✅ | `foo` |
+| `input2` | Second input | ❌ | - |
 
 
 
-## Outputs
+## 📤 Outputs
+
+| Parameter | Description |
+|-----------|-------------|
+| `result` | Result output |
 
 
-- **result**: Result output
+## 💡 Examples
+
+<details>
+<summary>Basic Usage</summary>
+
+```yaml
+- name: Example Action
+  uses: ivuorinen/gh-action-readme/example-action@v1
+  with:
+    input1: "foo"
+    input2: "example-value"
+```
+</details>
+
+<details>
+<summary>Advanced Configuration</summary>
+
+```yaml
+- name: Example Action with custom settings
+  uses: ivuorinen/gh-action-readme/example-action@v1
+  with:
+    input1: "foo"
+    input2: "custom-value"
+```
+</details>
 
 
 
-## Example
+## 🔧 Development
 
-See the [action.yml](./action.yml) for a full reference.
+See the [action.yml](./action.yml) for the complete action specification.
+
+## 📄 License
+
+This action is distributed under the MIT License. See [LICENSE](LICENSE) for more information.
+
+## 🤝 Contributing
+
+Contributions are welcome! Please feel free to submit a Pull Request.
 
 ---
 
-*Auto-generated by [gh-action-readme](https://github.com/ivuorinen/gh-action-readme)*
+<div align="center">
+  <sub>🚀 Generated with <a href="https://github.com/ivuorinen/gh-action-readme">gh-action-readme</a></sub>
+</div>

testdata/example-action/action.yml

@@ -17,4 +17,3 @@ runs:
 branding:
   icon: check
   color: green
-

testdata/example-action/config.yaml

@@ -6,4 +6,4 @@ permissions:
   contents: read
 runs_on:
   - "ubuntu-latest"
-  - "macos-latest"
+  - "macos-latest"