Add trove classifiers

Author: saulshanabrook

pyproject.toml

@@ -4,11 +4,27 @@ build-backend = "maturin"
 
 [project]
 name = "egg-smol"
+description = "e-graphs in Python built around the the egg-smol rust library"
+readme = "README.md"
+license = { text = "MIT" }
 requires-python = ">=3.7"
 classifiers = [
+    "Environment :: MacOS X",
+    "Environment :: Win32 (MS Windows)",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Natural Language :: English",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
     "Programming Language :: Rust",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
+    "Topic :: Software Development :: Compilers",
+    "Topic :: Software Development :: Interpreters",
+    "Typing :: Typed",
 ]
 
 [project.optional-dependencies]