PS: Add upgrade and downgrade scripts.

Author: MathiasVP

powershell/downgrades/802d5b9f407fb0dac894df1c0b4584f2215e1512/semmlecode.powershell.dbscheme

@@ -41,6 +41,10 @@ containerparent(
   unique int child: @container ref
 );
 
+is_in_psmodule_path(
+  int file: @file ref
+);
+
 /* Comments */
 comment_entity(
   unique int id: @comment_entity,
@@ -82,7 +86,7 @@ parent(
 // https://learn.microsoft.com/en-us/dotnet/api/system.management.automation.language.commandbaseast?view=powershellsdk-7.3.0
 @command_base = @command | @command_expression;
 // https://learn.microsoft.com/en-us/dotnet/api/system.management.automation.language.chainableast?view=powershellsdk-7.3.0
-@chainable = @pipeline | @pipeline_chain;
+@chainable = @command_base | @pipeline | @pipeline_chain;
 //https://learn.microsoft.com/en-us/dotnet/api/system.management.automation.language.pipelinebaseast?view=powershellsdk-7.3.0
 @pipeline_base = @chainable | @error_statement | @assignment_statement;
 // https://learn.microsoft.com/en-us/dotnet/api/system.management.automation.language.statementast?view=powershellsdk-7.3.0

powershell/downgrades/802d5b9f407fb0dac894df1c0b4584f2215e1512/upgrade.properties

@@ -1,2 +1,2 @@
-description: Remove Pipelines with one element.
+description: Remove psmodule file extraction
 compatibility: partial