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

apps/projects/admin.py

@@ -0,0 +1,68 @@
+from django.contrib import admin
+
+from core.admins.base import BaseAdmin
+from apps.projects.models import Project, ProjectMembership
+
+
+class ProjectMembershipInline(admin.TabularInline):
+    model = ProjectMembership
+    extra = 0
+    autocomplete_fields = ("user",)
+
+
+@admin.register(Project)
+class ProjectAdmin(BaseAdmin):
+    list_display = (
+        "id",
+        "name",
+        "workspace",
+        "client",
+        "is_archived",
+        "created_at",
+    )
+
+    list_filter = (
+        "workspace",
+        "is_archived",
+        "is_deleted",
+    )
+
+    search_fields = (
+        "name",
+        "workspace__name",
+        "client__name",
+    )
+
+    autocomplete_fields = (
+        "workspace",
+        "client",
+    )
+
+    inlines = (ProjectMembershipInline,)
+
+
+@admin.register(ProjectMembership)
+class ProjectMembershipAdmin(BaseAdmin):
+    list_display = (
+        "id",
+        "project",
+        "user",
+        "role",
+        "is_active",
+    )
+
+    list_filter = (
+        "role",
+        "is_active",
+        "is_deleted",
+    )
+
+    search_fields = (
+        "project__name",
+        "user__mobile",
+    )
+
+    autocomplete_fields = (
+        "project",
+        "user",
+    )