✨ feat: refactor telegramify to async, add interpreter options

- Convert telegramify function to async.
- Add interpreter options for flexible usage.
- Implement async image downloading in mermaid rendering.
- Update dependencies to include aiohttp for async operations.
- Revise playground scripts to handle async functions.
- Adjust markdownify_case and inspect_telegramify for new features.
- Bump version to 0.3.0 to reflect significant changes.

tests/exp_test.py

@@ -10,15 +10,23 @@
 load_dotenv()
 
 
-class TestCase(unittest.TestCase):
-    def test_markdownify(self):
+class TestCase(unittest.IsolatedAsyncioTestCase):
+    async def test_markdownify(self):
         md = pathlib.Path(__file__).parent.joinpath("exp1.md").read_text(encoding="utf-8")
         converted = markdownify(md)
         self.assertEqual(server_t(converted), True)
 
-    def test_telegramify(self):
+    async def test_telegramify(self):
         long_md = pathlib.Path(__file__).parent.joinpath("exp2.md").read_text(encoding="utf-8")
-        rendered = telegramify_markdown.telegramify(long_md)
+        rendered = await telegramify_markdown.telegramify(
+            content=long_md,
+            max_word_count=4090,
+            latex_escape=True,
+            interpreters_use=[
+                telegramify_markdown.interpreters.BaseInterpreter(),
+                telegramify_markdown.interpreters.MermaidInterpreter(),
+            ]
+        )
         self.assertEqual(isinstance(rendered, list), True)