feat(projects): add projects app's basic structure and endpoints

apps/projects/api/urls.py

@@ -0,0 +1,21 @@
+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+
+from apps.projects.api.views import (
+    ProjectViewSet,
+    ProjectMembershipViewSet,
+    ProjectRateViewSet,
+    ProjectUserRateViewSet
+)
+
+app_name = "projects"
+
+router = DefaultRouter()
+router.register(r"projects", ProjectViewSet, basename="project")
+router.register(r"memberships", ProjectMembershipViewSet, basename="membership")
+router.register(r"rates", ProjectRateViewSet, basename="rate")
+router.register(r"user-rates", ProjectUserRateViewSet, basename="user-rate")
+
+urlpatterns = [
+    path("", include(router.urls)),
+]