Update HowTo

Author: Сергей Трегуб

…tTemplates/How to create new template.md …emplates/How to create a new template.mdProjectTemplates/How to create new template.md renamed to ProjectTemplates/How to create a new template.md ProjectTemplates/How to create new template.md renamed to ProjectTemplates/How to create a new template.md

@@ -2,6 +2,7 @@
 
 After making any changes do:
 
+**Create a VSIX project template:**
 1. Select Release configuration for a solution
 1. Select ReferenceProject in "Solution Explorer"  and click "Project/Export Template..." menu item from the VS main menu
 1. In the appeared dialog box select "Project template" option and "ReferenceProject" in the combobox below and click Next
@@ -28,4 +29,16 @@ After making any changes do:
 1. Add Release Notes
 1. Rebuild the ReferenceProjectVSIX project and get "ASP.Net Core RESTful Service Template.vsix"
 
+**Create a .Net Core Custom template**
+1. Open the `DrWatson1.ProjectTemplate.RestAPI.csproj`
+1. Update a package version in the `PackageVersion` tag
+1. Update a description in the `Description` tag when needed
+1. Update release notes in the `PackageReleaseNotes` tag 
+1. Open a command prompt and go to the "ProjectTemplates" folder
+1. Execute the command:
+
+```
+dotnet pack DrWatson1.ProjectTemplate.RestAPI.csproj -c Release
+```
+
 That's all. "ASP.Net Core RESTful Service Template.vsix" can be uploaded to VS Marketplace or installed in VS.