[chore] Improvements in docker structure

backend/project/api/urls.py

@@ -1,6 +1,31 @@
 from django.urls import include, path
+from drf_yasg import openapi
+from drf_yasg.views import get_schema_view
+from rest_framework import permissions
+
+schema_view = get_schema_view(
+    openapi.Info(title="SkillHub API", default_version="v1"),
+    public=True,
+    permission_classes=(permissions.AllowAny,),
+)
 
 urlpatterns = [
     path("ping", include("api.ping.urls")),
     path("auth", include("api.users.urls")),
+    # API documentation
+    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",
+    ),
 ]