added setup.py for JOSS

setup.py

@@ -0,0 +1,22 @@
+import os
+from setuptools import setup, find_packages
+
+# Helper to read requirements.txt
+def read_requirements():
+    if os.path.exists("requirements.txt"):
+        with open("requirements.txt") as f:
+            return [line.strip() for line in f if line.strip() and not line.startswith("#")]
+    return []
+
+setup(
+    name="MOSAICapp",
+    version="0.1.0",
+    description="MOSAICapp: Application for Mapping of Subjective Accounts into Interpreted Clusters",
+    author="Romy Beauté",
+    author_email="r.beaut@sussex.ac.uk",
+    url="https://github.com/romybeaute/MOSAICapp",
+    packages=find_packages(),  # find 'mosaic_core' automatically
+    include_package_data=True,
+    install_requires=read_requirements(),  # reads requirements.txt
+    python_requires=">=3.9",
+)