Added module description

setup.py

@@ -1,5 +1,12 @@
 from setuptools import setup
 
+description = """
+Contains two packages for processing ClinVar data for Open Targets submission.
+* `vep_mapping_pipeline` maps variants (CHROM:POS:REF:ALT) to their most severe functional consequence according to
+  Ensembl VEP, as well as their Ensembl gene ID and name.
+* `repeat_expansion_variants` parses ClinVar variant_summary file and extracts information about repeat expansion
+  variants."""
+
 setup(
     name='vep-mapping-pipeline',
     version='',
@@ -8,5 +15,5 @@
     license='',
     author='ktsukanov',
     author_email='[email protected]',
-    description=''
+    description=description
 )