Refactor path handling for cross-platform compatibility and update configuration directory path

PS-GiteaUtilities/PS-GiteaUtilities.psm1

@@ -11,7 +11,7 @@ Function Set-GiteaConfiguration {
     )
     
     # Create configuration directory if it doesn't exist
-    $configDir = Join-Path -Path $env:USERPROFILE -ChildPath ".giteautils"
+    $configDir = Join-Path -Path $HOME -ChildPath ".giteautils"
     if (-not (Test-Path -Path $configDir)) {
         New-Item -Path $configDir -ItemType Directory | Out-Null
     }
@@ -36,7 +36,7 @@ Function Get-GiteaConfiguration {
         [switch]$Force
     )
     
-    $configPath = Join-Path -Path $env:USERPROFILE -ChildPath ".giteautils\config.xml"
+    $configPath = Join-Path -Path $HOME -ChildPath ".giteautils/config.xml"
     
     if (Test-Path -Path $configPath) {
         $config = Import-Clixml -Path $configPath
@@ -180,6 +180,8 @@ Function Get-GiteaFileContent {
 
     process {
         foreach ($file in $filePath) {
+            # Normalize path separators for cross-platform compatibility
+            $file = $file -replace '\\', '/'
             Write-Verbose "Processing file: $file"
             $encodedFile = [System.Uri]::EscapeDataString($file)
             Write-Verbose "Encoded file: $encodedFile"
@@ -191,7 +193,6 @@ Function Get-GiteaFileContent {
             $url += "/$encodedFile"
             $url += "?ref=$branch"
             Write-Verbose "URL: $url"
-
             try {
                 $fileContent = Invoke-RestMethod -Uri $url -Method Get -Headers $headers
                 
@@ -398,6 +399,8 @@ Function Invoke-GiteaFileDownload {
     }
 
     process {
+        # Normalize path separators for cross-platform compatibility
+        $filePath = $filePath -replace '\\', '/'
         Write-Verbose "File path: $filePath"
         Write-Verbose "Type: $type"
         
@@ -664,11 +667,10 @@ Function Get-GiteaChildItem {
         $paths = $path
         foreach ($path in $paths) {
             Write-Verbose "Processing path: $path"
-            # Normalize the path format - replace backslashes with forward slashes and trim trailing slashes
+            # Normalize path separators for cross-platform compatibility
             $normalizedPath = $path -replace '\\', '/' -replace '/$', ''
-            $encodedPath = [System.Uri]::EscapeDataString($normalizedPath)
             Write-Verbose "Normalized path: $normalizedPath"
-            Write-Verbose "Encoded path: $encodedPath"
+            $encodedPath = [System.Uri]::EscapeDataString($normalizedPath)
             $url = "$giteaURL"
             $url += "/api/v1/repos"
             $url += "/$repoOwner"