Add: GitHub templates, workflows, and wiki

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: '[BUG] '
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Run command '...'
+2. With container '....'
+3. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Environment (please complete the following information):**
+ - OS: [e.g. Windows 10]
+ - PowerShell Version: [e.g. 5.1]
+ - Docker Version: [e.g. 20.10.7]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+title: '[FEATURE] '
+labels: enhancement
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/pull_request_template.md

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+## Description
+Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context.
+
+Fixes # (issue)
+
+## Type of change
+Please delete options that are not relevant.
+
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Documentation update
+
+## How Has This Been Tested?
+Please describe the tests that you ran to verify your changes.
+
+- [ ] Test A
+- [ ] Test B
+
+## Checklist:
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my own code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] Any dependent changes have been merged and published in downstream modules

.github/workflows/powershell-tests.yml

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+name: PowerShell Tests
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Check PowerShell version
+      shell: pwsh
+      run: $PSVersionTable.PSVersion
+
+    - name: Check Docker version
+      shell: pwsh
+      run: docker --version
+
+    - name: Verify script syntax
+      shell: pwsh
+      run: |
+        $ErrorActionPreference = 'Stop'
+        foreach ($script in Get-ChildItem -Path . -Filter *.ps1) {
+          Write-Host "Checking $($script.Name)"
+          $null = [System.Management.Automation.Language.Parser]::ParseFile($script.FullName, [ref]$null, [ref]$null)
+        }
+        
+    - name: Run PSScriptAnalyzer
+      shell: pwsh
+      run: |
+        Install-Module -Name PSScriptAnalyzer -Force
+        Invoke-ScriptAnalyzer -Path . -Recurse -Settings PSGallery

wiki/Home.md

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+# Docker Graceful Shutdown for Windows Wiki
+
+Welcome to the Docker Graceful Shutdown for Windows wiki! This wiki provides detailed information about using and troubleshooting the utility.
+
+## Table of Contents
+
+1. [Getting Started](#getting-started)
+2. [Use Cases](#use-cases)
+3. [Troubleshooting](#troubleshooting)
+4. [Advanced Usage](#advanced-usage)
+
+## Getting Started
+
+### Prerequisites
+- Windows OS
+- PowerShell 5.1 or higher
+- Docker Desktop for Windows
+- Administrator privileges (recommended)
+
+### Installation
+1. Download both script files:
+   - `shutdownallcontainers.cmd`
+   - `gracefully_shutdown_all_docker_containers.ps1`
+2. Place them in the same directory
+3. Ensure you have execution permissions
+
+## Use Cases
+
+### 1. Development Environment Shutdown
+Perfect for developers who need to cleanly shut down their development environment at the end of the day.
+
+### 2. System Maintenance
+Use before system updates or maintenance to ensure all containers are properly stopped.
+
+### 3. Container Dependency Management
+Handles complex container dependencies automatically during shutdown.
+
+## Troubleshooting
+
+### Common Issues
+
+#### 1. Permission Denied
+```powershell
+Solution: Run the script as Administrator
+```
+
+#### 2. Docker Not Running
+```powershell
+Solution: Ensure Docker Desktop is running and accessible
+```
+
+#### 3. Timeout Issues
+```powershell
+Solution: Adjust timeout settings in the PowerShell script
+```
+
+## Advanced Usage
+
+### Custom Timeout Settings
+You can modify the default timeout value in the PowerShell script:
+```powershell
+$timeout = 30  # Adjust this value as needed
+```
+
+### Dependency Override
+To force shutdown regardless of dependencies:
+```cmd
+shutdownallcontainers.cmd -force
+```
+
+## Contributing to the Wiki
+
+Feel free to contribute to this wiki by:
+1. Creating new pages for specific topics
+2. Adding more troubleshooting scenarios
+3. Sharing your use cases
+4. Improving existing documentation