feat: Adds install-dependencies command.

Sources/hpa/UtilsCommands/InstallDependenciesCommand.swift

@@ -0,0 +1,23 @@
+import ArgumentParser
+import CliClient
+import CliDoc
+import Dependencies
+
+struct InstallDependenciesCommand: AsyncParsableCommand {
+  static let commandName: String = "install-dependencies"
+
+  static let configuration = CommandConfiguration(
+    commandName: commandName,
+    abstract: createAbstract("Ensure required dependencies are installed"),
+    discussion: Discussion {
+      Note {
+        "Homebrew is required to install dependencies."
+      }
+    }
+  )
+
+  func run() async throws {
+    @Dependency(\.cliClient) var cliClient
+    try await cliClient.installDependencies()
+  }
+}

Sources/hpa/UtilsCommands/UtilsCommand.swift

@@ -11,7 +11,8 @@ struct UtilsCommand: AsyncParsableCommand {
     """,
     subcommands: [
       GenerateProjectTemplateCommand.self,
-      GenerateConfigurationCommand.self
+      GenerateConfigurationCommand.self,
+      InstallDependenciesCommand.self
     ]
   )