[major] feat: Release examples (#6)

Author: dmnre

ProjectDescriptionHelpersPluginExample/Plugin.swift

@@ -1,5 +1,5 @@
 import ProjectDescription
 
 let plugin = Plugin(
-    name: "HelpersPluginExample"
+    name: "ProjectDescriptionHelpersPluginExample"
 )

TemplatesPluginExample/Templates/platform/platform.swift

@@ -1,3 +1,4 @@
+import Foundation
 import ProjectDescription
 
 let nameAttribute: Template.Attribute = .required("name")

plugins.json

@@ -2,6 +2,8 @@
     "plugins": [
         { "name": "ExecutablePluginExample" },
         { "name": "WorkspaceMapperExample" },
+        { "name": "ProjectDescriptionHelpersPluginExample" },
+        { "name": "TemplatesPluginExample" },
         { "name": "ImpactAnalysis"}
     ]
 }