Change package id to be unique

Author: kristiker

ElementFactoryGenerator/ElementFactoryGenerator.csproj

@@ -10,6 +10,7 @@
 		<IncludeSymbols>true</IncludeSymbols>
 		<SymbolPackageFormat>snupkg</SymbolPackageFormat>
 		<IsRoslynComponent>true</IsRoslynComponent>
+		<PackageId>KeyValues2.ElementFactoryGenerator</PackageId>
 	</PropertyGroup>
 
 	<ItemGroup>
@@ -21,4 +22,4 @@
 		<None Include="$(OutputPath)\$(AssemblyName).dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
 	</ItemGroup>
 
-</Project>
+</Project>