Add uvx support and fix newline handling

Author: devanshkv

README.md

@@ -37,6 +37,13 @@ values = parser.parse_args()
 ```
 
 Run `argmark -f sample_argparse.py` and it would generate:
+
+Alternatively, with [uv](https://github.com/astral-sh/uv) installed you can run:
+
+```bash
+uvx argmark -f sample_argparse.py
+```
+
 ```markdown
 
     sample_argparse.py

argmark/argmark.py

@@ -20,6 +20,10 @@ def _create_md_file_object(parser: _argparse.ArgumentParser) -> MdUtils:
     else:
         file_name_base = os.path.splitext(parser.prog)[0]
         md_file = MdUtils(file_name=file_name_base, title=parser.prog)
+
+    if parser.prog and not parser.prog.endswith(".py") and md_file.title.startswith("\n"):
+        md_file.title = md_file.title.lstrip("\n")
+
     return md_file
 
 def _add_parser_description(md_file: MdUtils, parser: _argparse.ArgumentParser) -> None:
@@ -215,6 +219,11 @@ def md_help(parser: _argparse.ArgumentParser) -> None:
 
     md_file.create_md_file()
 
+    md_path = md_file.file_name if md_file.file_name.endswith(".md") else md_file.file_name + ".md"
+    with open(md_path, "a", encoding="utf-8") as f:
+        if not open(md_path, "rb").read().endswith(b"\n"):
+            f.write("\n")
+
 def main():
     script_argv = [arg for arg in sys.argv[1:] if arg != '--']
     parser = _argparse.ArgumentParser(

pyproject.toml

@@ -31,3 +31,9 @@ Homepage = "https://github.com/devanshkv/argmark"
 
 [project.scripts]
 argmark = "argmark.argmark:main"
+
+[tool.uv]
+managed = true
+
+[tool.uv.sources]
+argmark = { path = ".", editable = true }