feat: add dashboard overview health summary

atsf_server/controller/dashboard.go

@@ -0,0 +1,24 @@
+package controller
+
+import (
+	"atsflare/service"
+
+	"github.com/gin-gonic/gin"
+)
+
+// GetDashboardOverview godoc
+// @Summary Get dashboard overview
+// @Tags Dashboard
+// @Produce json
+// @Security BearerAuth
+// @Success 200 {object} map[string]interface{}
+// @Failure 400 {object} map[string]interface{}
+// @Router /api/dashboard/overview [get]
+func GetDashboardOverview(c *gin.Context) {
+	view, err := service.GetDashboardOverview()
+	if err != nil {
+		respondFailure(c, err.Error())
+		return
+	}
+	respondSuccess(c, view)
+}