Build fixes

pyproject.toml

@@ -3,4 +3,4 @@ requires = [
     "setuptools>=42",
     "wheel"
 ]
-build-backend = "setuptools.build_meta"
\ No newline at end of file
+build-backend = "setuptools.build_meta"

setup.cfg

@@ -17,6 +17,8 @@ package_dir =
     = src
 packages = find:
 python_requires = >=3.7
+install_requires = 
+    shapely
 
 [options.packages.find]
 where = src
\ No newline at end of file