feat(auth): Add /token endpoint to request a access token

app/controllers/userinfo.go

@@ -0,0 +1,12 @@
+package controllers
+
+import (
+	"git.secnex.io/secnex/masterlog"
+	"git.secnex.io/secnex/oauth2-api/utils"
+	"github.com/gofiber/fiber/v2"
+)
+
+func UserinfoController(c *fiber.Ctx) error {
+	masterlog.Debug("Userinfo request received", map[string]interface{}{"path": c.Path()})
+	return utils.NewHTTPResponse(fiber.StatusOK, &fiber.Map{"message": "Userinfo request received"}, "", nil, nil).Send(c)
+}