feat: wip implement port forwarding

internal/workspace/middleware.go

@@ -0,0 +1,25 @@
+package workspace
+
+import (
+	"github.com/labstack/echo/v4"
+	"tesseract/internal/service"
+)
+
+func newWorkspaceManagerMiddleware(services service.Services) echo.MiddlewareFunc {
+	mgr := workspaceManager{
+		db:           services.Database,
+		dockerClient: services.DockerClient,
+		reverseProxy: services.ReverseProxy,
+		sshProxy:     services.SSHProxy,
+	}
+	return func(next echo.HandlerFunc) echo.HandlerFunc {
+		return func(c echo.Context) error {
+			c.Set("workspaceManager", mgr)
+			return next(c)
+		}
+	}
+}
+
+func workspaceManagerFrom(c echo.Context) workspaceManager {
+	return c.Get("workspaceManager").(workspaceManager)
+}