Split up the functions to seperate files like the rest of the repo

functions/private/Find-AppsByNameOrDescription.ps1

@@ -0,0 +1,35 @@
+function Find-AppsByNameOrDescription {
+    <#
+        .SYNOPSIS 
+            Searches through the Apps on the Install Tab and hides all entries that do not match the string
+        
+        .PARAMETER SearchString
+            The string to be searched for
+    #>
+    param(
+        [Parameter(Mandatory=$false)]
+        [string]$SearchString = ""       
+    )
+    # Reset the visibility if the search string is empty or the search is cleared
+    if ([string]::IsNullOrWhiteSpace($SearchString)) {
+            Set-CategoryVisibility -Category "*"
+            return
+    }
+    $sync.ItemsControl.Items | ForEach-Object {
+        # Hide all CategoryWrapPanel and ToggleButton
+        $_.Visibility = [Windows.Visibility]::Collapsed
+        if ($_.Tag -like "CategoryWrapPanel_*") {
+            # Search for Apps that match the search string
+            $_.Children | Foreach-Object {
+                if ($sync.configs.applicationsHashtable.$($_.Tag).Content -like "*$SearchString*") {
+                    # Show the App and the parent CategoryWrapPanel if the string is found
+                    $_.Visibility = [Windows.Visibility]::Visible
+                    $_.parent.Visibility = [Windows.Visibility]::Visible
+                }
+                else {
+                    $_.Visibility = [Windows.Visibility]::Collapsed
+                }
+            }
+        }
+    }   
+}