Use TemplateData for dashboard

http/http.go

@@ -61,7 +61,11 @@ func (h *Handler) dashboard(c *gin.Context) {
 		return
 	}
 
-	c.HTML(http.StatusOK, "dashboard", token)
+	d := TemplateData{
+		Token:         token,
+		budgetService: h.Service,
+	}
+	c.HTML(http.StatusOK, "dashboard", d)
 }
 
 func (h *Handler) restricted(c *gin.Context) {