Client update, error starting with administrator rights, code and file optimization

- Added the ability to update the Spotify client if a newer version is found for your region
- Fixed error if the script was run with administrator rights
- Fixed error when updating backup copy of chrome_elf_bak.dll
- Fixed bug with chrome_elf_bak.dll
- Optimization of code and files

Cache/cache-spotify.ps1

@@ -0,0 +1,13 @@
+# Launch Spotify.exe and wait for the process to stop
+Start-Process -FilePath $env:APPDATA\Spotify\Spotify.exe; wait-process -name Spotify
+
+# This block deletes files by the last access time to it, files that have not been changed and have not been opened for more than the number of days you have selected will be deleted. If you need to replace with another number of days, then substitute the value in the 6th row and 118th column (The default is 7 days).
+If (Test-Path -Path $env:LOCALAPPDATA\Spotify\Data) {
+    Get-ChildItem $env:LOCALAPPDATA\Spotify\Data -File -Recurse | Where-Object lastaccesstime -lt (get-date).AddDays(-7) | Remove-Item
+}
+
+# Delete the file mercury.db if its size exceeds 100 MB.
+If (Test-Path -Path $env:LOCALAPPDATA\Spotify\mercury.db) {
+    $file_mercury = Get-Item "$env:LOCALAPPDATA\Spotify\mercury.db"
+    if ($file_mercury.length -gt 100MB) { Get-ChildItem $env:LOCALAPPDATA\Spotify\mercury.db -File -Recurse | Remove-Item }
+}