feat: Working create command.

Sources/CliClient/CliClient.swift

@@ -1,6 +1,7 @@
 import Dependencies
 import DependenciesMacros
 import Foundation
+import ShellClient
 
 public extension DependencyValues {
   var cliClient: CliClient {
@@ -14,6 +15,23 @@ public struct CliClient: Sendable {
   public var decoder: @Sendable () -> JSONDecoder = { .init() }
   public var encoder: @Sendable () -> JSONEncoder = { .init() }
   public var loadConfiguration: @Sendable () throws -> Configuration
+  public var runCommand: @Sendable ([String], Bool, ShellCommand.Shell) async throws -> Void
+
+  public func runCommand(
+    quiet: Bool,
+    shell: ShellCommand.Shell,
+    _ args: [String]
+  ) async throws {
+    try await runCommand(args, quiet, shell)
+  }
+
+  public func runCommand(
+    quiet: Bool,
+    shell: ShellCommand.Shell,
+    _ args: String...
+  ) async throws {
+    try await runCommand(args, quiet, shell)
+  }
 }
 
 extension CliClient: DependencyKey {
@@ -41,6 +59,22 @@ extension CliClient: DependencyKey {
       }
 
       return try .fromEnv(env, encoder: encoder, decoder: decoder)
+    } runCommand: { args, quiet, shell in
+      @Dependency(\.asyncShellClient) var shellClient
+      if !quiet {
+        try await shellClient.foreground(.init(
+          shell: shell,
+          environment: ProcessInfo.processInfo.environment,
+          in: nil,
+          args
+        ))
+      }
+      try await shellClient.background(.init(
+        shell: shell,
+        environment: ProcessInfo.processInfo.environment,
+        in: nil,
+        args
+      ))
     }
   }