include example usage of pysubyt as python module

README.md

@@ -19,4 +19,50 @@ Please check out the Py-SUbyt documentation. Namely:
 <p align="center">
 <a href="https://github.com/JotaFan/pycoverage"><img src="https://github.com/vliz-be-opsci/pysubyt/tree/gh-pages/coverage.svg"></a>
 <a href="https://github.com/psf/black"><img alt="Code style: black" src="https://img.shields.io/badge/code%20style-black-000000.svg"></a>
-</p>
+</p>
+
+
+example usage as python module:
+```
+from pathlib import Path
+from pysubyt import JinjaBasedGenerator, Source, SourceFactory, Settings, Sink, SinkFactory
+import json 
+from typing import Dict
+
+# Directory containing the json files
+directory = Path('replace_with_your_directory_path')
+files = [f for f in directory.iterdir() if f.is_file()]
+
+base_path = Path(".")
+tpl_path = base_path
+out_path = base_path
+
+name: str = "dataset-template.json.ldt.j2"
+generator_settings=Settings.load_from_modifiers("it")
+
+g = JinjaBasedGenerator(str(tpl_path))
+
+for file_path in files:
+    try:
+        #with open(file_path, 'r') as f:
+        #    data = json.load(f)
+        #print(data)
+        inputs: Dict[str, Source] = {
+            "_": SourceFactory.make_source(file_path) 
+        }_ 
+        sink: Sink = SinkFactory.make_sink(out_path / file_path.stem + ".jsonld")
+
+        
+        g.process(
+                name,
+                inputs,
+                generator_settings,
+                sink,
+                vars_dict={"my_domain": "realexample.org"},
+            )
+
+    except FileNotFoundError:
+        print(f"The file {file_path} does not exist.")
+    except json.JSONDecodeError:
+        print(f"Error decoding JSON from the file {file_path}.")
+```