Added setup.py for pip installation

MANIFEST.in

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+include ptm_pose/Resource_Files/modification_conversion.csv

setup.py

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+from setuptools import setup, find_packages
+
+
+# Run setup
+setup(
+    name="ptm_pose",
+    version="0.1.0",
+    author="Naegle Lab",
+    author_email="[email protected]",
+    url="https://github.com/NaegleLab/PTM-POSE/tree/main",
+    install_requires=['pandas==2.2.*', 'numpy==1.26.*', 'scipy=1.13.*', 'biopython==1.83.*', 'tqdm==4.66.*', 'xlrd', 'matplotlib', 'requests'],
+    license='GNU General Public License v3',
+    description='PTM-POSE: PTM Projection onto Splice Events',
+    long_description="""PTM-POSE is an open-source tool for annotating splice event quantification data with post-translational modifications (PTMs) and their functional consequences.""",
+    classifiers=[
+        "Programming Language :: Python :: 3",
+        "Intended Audience :: Science/Research",
+        "Operating System :: OS Independent",
+    ],
+    packages=find_packages(),
+    include_package_data = True,
+    python_requires=">=3.9"
+)
+