Publish to PyPI as arxiv2markdown

Add authors, license, and classifiers to pyproject.toml.
Update README install command to use pip install arxiv2markdown.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: timf34

README.md

@@ -50,7 +50,7 @@ Visit [arxiv2md.org](https://arxiv2md.org) and paste any arXiv URL, or append `2
 
 ```bash
 # Install
-pip install -e .
+pip install arxiv2markdown
 
 # Basic usage
 arxiv2md 2501.11120v1 -o paper.md

pyproject.toml

@@ -1,8 +1,15 @@
 [project]
-name = "arxiv2md"
+name = "arxiv2markdown"
 version = "0.1.0"
 description = "Convert arXiv papers to clean Markdown. Particularly useful for prompting LLMs."
 readme = { file = "README.md", content-type = "text/markdown" }
+authors = [{ name = "Tim Farrelly", email = "timf34@gmail.com" }]
+license = { text = "MIT" }
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+]
 requires-python = ">=3.10"
 dependencies = [
     "beautifulsoup4>=4.12.0",
@@ -50,3 +57,9 @@ testpaths = ["tests"]
 python_files = "test_*.py"
 asyncio_mode = "auto"
 asyncio_default_fixture_loop_scope = "function"
+
+[dependency-groups]
+dev = [
+    "build>=1.4.0",
+    "twine>=6.2.0",
+]