feat/add meta query (#38)

* feat: add meta query

* fix: readme

server/resolvers/meta.go

@@ -0,0 +1,13 @@
+package resolvers
+
+import (
+	"context"
+
+	"github.com/authorizerdev/authorizer/server/graph/model"
+	"github.com/authorizerdev/authorizer/server/utils"
+)
+
+func Meta(ctx context.Context) (*model.Meta, error) {
+	metaInfo := utils.GetMetaInfo()
+	return &metaInfo, nil
+}