feat: add tenant and user management with migrations, handlers, and tests

- Implemented tenant and user management features including:
  - Tenant creation and management with associated migrations.
  - User creation and management with associated migrations.
  - Tenant membership management with associated migrations.
  - Platform user roles management with associated migrations.
  - Quota management with associated migrations.
  - Article and template management with associated migrations.
- Added HTTP handlers for templates and workspaces.
- Created tests for protected and public routes.
- Introduced a script to check tenant scope in SQL queries.
- Documented task plan for backend completion and frontend foundation.

server/cmd/tenant-api/main.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/geo-platform/tenant-api/internal/bootstrap"
+	"github.com/geo-platform/tenant-api/internal/tenant/transport"
+)
+
+func main() {
+	configPath := "configs/config.yaml"
+	if p := os.Getenv("CONFIG_PATH"); p != "" {
+		configPath = p
+	}
+
+	app, err := bootstrap.New(configPath)
+	if err != nil {
+		log.Fatalf("bootstrap: %v", err)
+	}
+	defer app.Close()
+
+	transport.RegisterRoutes(app)
+
+	addr := fmt.Sprintf(":%d", app.Config.Server.Port)
+	app.Logger.Sugar().Infof("tenant-api starting on %s", addr)
+
+	go func() {
+		if err := app.Engine.Run(addr); err != nil {
+			app.Logger.Sugar().Fatalf("server: %v", err)
+		}
+	}()
+
+	quit := make(chan os.Signal, 1)
+	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
+	<-quit
+	app.Logger.Info("shutting down...")
+}