Improve AQL mapping logic; Palo Alto add support keywords; Sigma add mapping

Author: saltar-ua

uncoder-core/app/translator/mappings/platforms/sigma/windows_powershell.yml

@@ -4,7 +4,8 @@ description: Text that describe current mapping
 
 log_source:
   product: [windows]
-  service: [powershell, ps_classic_provider_start, ps_classic_script, ps_classic_start, ps_module, ps_script]
+  service: [powershell]
+  category: [ps_classic_provider_start, ps_classic_script, ps_classic_start, ps_module, ps_script]
 
 default_log_source:
   product: windows