Add component 'Template' (#3562)

### What problem does this PR solve?

#3560

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

agent/component/__init__.py

@@ -30,6 +30,7 @@ from .tushare import TuShare, TuShareParam
 from .akshare import AkShare, AkShareParam
 from .crawler import Crawler, CrawlerParam
 from .invoke import Invoke, InvokeParam
+from .template import Template, TemplateParam
 
 
 def component_class(class_name):