Adding setup to use docker within wsl

Update-WSLDockerProxy.ps1

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+# Update-WSLDockerProxy.ps1
+# Updates the portproxy rule for WSL Docker, self-elevating if needed.
+# Usage: . .\Update-WSLDockerProxy.ps1   (dot-source to import the function)
+#        Update-WSLDockerProxy            (then call it)
+# Or just run the script directly and it will execute automatically.
+
+function Update-WSLDockerProxy {
+    [CmdletBinding()]
+    param(
+        [int]$Port = 2375
+    )
+
+    # Self-elevate if not running as admin
+    if (-not ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
+        Write-Host "Not running as admin, re-launching elevated..." -ForegroundColor Yellow
+        $scriptPath = $MyInvocation.MyCommand.ScriptBlock.File
+        if (-not $scriptPath) {
+            Write-Error "Cannot self-elevate when dot-sourced without a file path. Run the script directly instead."
+            return
+        }
+        Start-Process powershell.exe -Verb RunAs -ArgumentList "-NonInteractive -WindowStyle Hidden -File `"$scriptPath`" -Port $Port"
+        return
+    }
+
+    # Get current WSL IP
+    $WSL_IP = (wsl hostname -I 2>$null).Split(" ")[0].Trim()
+
+    if (-not $WSL_IP) {
+        Write-Error "Could not get WSL IP. Is WSL running?"
+        return
+    }
+
+    Write-Host "WSL IP: $WSL_IP" -ForegroundColor Cyan
+
+    # Remove existing rule if present
+    $existing = netsh interface portproxy show v4tov4 | Select-String ":$Port"
+    if ($existing) {
+        Write-Host "Removing existing portproxy rule on port $Port..." -ForegroundColor Gray
+        netsh interface portproxy delete v4tov4 listenport=$Port listenaddress=127.0.0.1 | Out-Null
+    }
+
+    # Add new rule
+    netsh interface portproxy add v4tov4 listenport=$Port listenaddress=127.0.0.1 connectport=$Port connectaddress=$WSL_IP | Out-Null
+
+    Write-Host "Portproxy updated: 127.0.0.1:$Port -> ${WSL_IP}:$Port" -ForegroundColor Green
+}
+
+# Run automatically if script is executed directly (not dot-sourced)
+if ($MyInvocation.InvocationName -ne '.') {
+    Update-WSLDockerProxy
+}