Added django-taggit

requirements.txt

@@ -4,6 +4,7 @@ django-debug-toolbar>=1.9.0
 django-filter>=1.1.0
 django-mptt>=0.9.0
 django-tables2>=1.19.0
+django-taggit>=0.22.2
 django-timezone-field>=2.0
 djangorestframework>=3.7.7,<3.8.2
 drf-yasg[validation]>=1.4.4