fix classifiers in pyproject.toml

pyproject.toml

@@ -1,15 +1,22 @@
 [project]
 name="NUCS"
-version="0.7.0"
+version="0.7.1"
 authors = [
   { name="Yan Georget", email="[email protected]" },
 ]
-description="A Numpy and Numba based Python library for solving Constraint Satisfaction Problems"
+description="A Numpy and Numba based Python library for solving Constraint Satisfaction Problems over finite domains"
 readme = "README.md"
 requires-python = ">=3.9"
 classifiers = [
-    "Programming Language :: Python :: 3",
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Developers",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3",
+    "Topic :: Scientific/Engineering :: Artificial Intelligence",
+    "Topic :: Scientific/Engineering :: Mathematics",
+    "Topic :: Software Development :: Libraries :: Python Modules"
 ]
 dependencies = [
     "numba==0.60.0",