update to setup.py to use requirements.txt (#63)

Author: debdal6

setup.py

@@ -13,13 +13,16 @@
 DESCRIPTION = 'A package for solving partial differential equations'
 
 # Import the README and use it as the long-description.
-# Note: this will only work if 'README.md' is present in your MANIFEST.in file!
 try:
     with io.open(os.path.join(here, 'README.md'), encoding='utf-8') as f:
         LONG_DESCRIPTION = '\n' + f.read()
 except FileNotFoundError:
     long_description = DESCRIPTION
 
+# Read requirements from requirements.txt
+with open('requirements.txt') as f:
+    requirements = [line.strip() for line in f if line.strip() and not line.startswith('#')]
+
 setup(
     name=NAME,
     version='0.1',
@@ -29,12 +32,13 @@
     author='Chelsea De Marseilla, Debdal Chowdhury',
     license='Apache License 2.0',
     packages=find_packages(),
-    install_requires=[
-        'matplotlib==3.9.2',
-        'numpy==2.1.3',
-        'scipy==1.14.1',
-        'pandas==2.2.3',
-        'pytest==8.3.4'
-    ],
+    install_requires=requirements,
+    extras_require={
+        'package-tools': [
+            'setuptools',
+            'wheel',
+            'twine'
+        ]
+    },
     url='https://github.com/GPUEngineering/PDESolvers',
 )