feat: Working on command-line documentation.

Sources/BumpVersion/Commands/BuildCommand.swift

@@ -0,0 +1,25 @@
+import ArgumentParser
+import CliClient
+import CliDoc
+import Foundation
+import ShellClient
+
+// NOTE: This command is only used with the build with version plugin.
+struct BuildCommand: AsyncParsableCommand {
+  static let commandName = "build"
+
+  static let configuration: CommandConfiguration = .init(
+    commandName: Self.commandName,
+    abstract: Abstract.default("Used for the build with version plugin.").render(),
+    discussion: Discussion {
+      "This should generally not be interacted with directly, outside of the build plugin."
+    },
+    shouldDisplay: false
+  )
+
+  @OptionGroup var globals: GlobalOptions
+
+  func run() async throws {
+    try await globals.run(\.build, command: Self.commandName)
+  }
+}