Creating a new template starts off easily enough. By using the cmdlet New-PlasterTemplate, you can create a new, well-formed Plaster manifest that you can add to afterwards:
# List the default (shipped) templatesGet-PlasterTemplate# List all templatesGet-PlasterTemplate -IncludeInstalledModules# Create new, empty templatemkdir .\PlasterTemplates\FirstTemplate -ForceNew-PlasterManifest -TemplateType Project -TemplateName FirstTemplate -Path .\PlasterTemplates\FirstTemplate\plasterManifest.xml# The template needs to be extended first# See the online help at https://github.com/PowerShell/Plaster/blob/master/docs/en-US/about_Plaster_CreatingAManifest.help.md# or use Get-HelpGet-Help about_Plaster_CreatingAManifestpsedit .\PlasterTemplates\FirstTemplate\plasterManifest.xml ...