chore: add pyproject.toml and replace tests_require with extras_require (#185)

Signed-off-by: Balram Choudhary <[email protected]>

Author: bchoudhary6415

pyproject.toml

@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools>=42", "wheel"]
+build-backend = "setuptools.build_meta"

setup.py

@@ -58,5 +58,7 @@
                     ]
        },
        zip_safe=False,
-       tests_require=['nose >= 0.11'],
+       extras_require={
+           "dev": ["nose>=0.11"]
+       }
      )