feat: add dependency installer service and enhance task runner with dependency management

- Introduced a new DependencyInstallerService interface to define methods for managing dependency installation commands.
- Implemented registry service for managing the DependencyInstallerService instance.
- Enhanced the task runner to install dependencies if available, including command execution and logging for stdout and stderr.
- Improved error handling and logging throughout the task runner's dependency installation process.
- Updated the runner's methods to utilize the new dependency management features, ensuring better integration and functionality.

core/dependency/registry_service.go

@@ -0,0 +1,15 @@
+package dependency
+
+import (
+	"github.com/crawlab-team/crawlab/core/interfaces"
+)
+
+var serviceInstance interfaces.DependencyInstallerService
+
+func SetDependencyInstallerRegistryService(svc interfaces.DependencyInstallerService) {
+	serviceInstance = svc
+}
+
+func GetDependencyInstallerRegistryService() interfaces.DependencyInstallerService {
+	return serviceInstance
+}