feat: Adds generate commands that call to pandoc to generate pdf, latex, and html files from a project.

Sources/hpa/Application.swift

@@ -9,9 +9,13 @@ struct Application: AsyncParsableCommand {
   static let configuration = CommandConfiguration(
     commandName: Constants.appName,
     abstract: createAbstract("A utility for working with ansible hpa playbook."),
-    version: VERSION,
+    version: VERSION ?? "0.0.0",
     subcommands: [
-      BuildCommand.self, CreateCommand.self, VaultCommand.self, UtilsCommand.self
+      BuildCommand.self,
+      CreateCommand.self,
+      GenerateCommand.self,
+      VaultCommand.self,
+      UtilsCommand.self
     ]
   )