Fixed subject serializer and added drf-yasg for better endpoint documentation

stude/config/settings.py

@@ -76,6 +76,7 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'drf_yasg',
     'django.contrib.gis',
     'rest_framework',
     'rest_framework_simplejwt',

stude/config/urls.py

@@ -18,8 +18,30 @@ from django.contrib import admin
 from django.urls import path, include
 from django.conf import settings
 from django.conf.urls.static import static
+from django.urls import re_path
+from rest_framework import permissions
+from drf_yasg.views import get_schema_view
+from drf_yasg import openapi
+
+schema_view = get_schema_view(
+    openapi.Info(
+        title="StudE API",
+        default_version='v1',
+        description="StudE Endpoints",
+        terms_of_service="https://www.google.com/policies/terms/",
+        contact=openapi.Contact(email="noehbernasol0@gmail.com"),
+    ),
+    public=True,
+    permission_classes=(permissions.AllowAny,),
+)
 
 urlpatterns = [
     path('admin/', admin.site.urls),
-    path('api/v1/', include('api.urls'))
+    path('api/v1/', include('api.urls')),
+    path('swagger<format>/', schema_view.without_ui(cache_timeout=0),
+         name='schema-json'),
+    path('swagger/', schema_view.with_ui('swagger',
+         cache_timeout=0), name='schema-swagger-ui'),
+    path('redoc/', schema_view.with_ui('redoc',
+         cache_timeout=0), name='schema-redoc'),
 ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)