add ui configurable config options

models/config.go

@@ -0,0 +1,11 @@
+package models
+
+import (
+	"gorm.io/gorm"
+)
+
+type Config struct {
+	gorm.Model
+	Key   string `json:"key" binding:"required" gorm:"unique;not null"`
+	Value string `json:"value" binding:"required"`
+}