integrate schema management

+import path from "path";
+import { makeExecutableSchema } from "graphql-tools";
+import { fileLoader, mergeResolvers, mergeTypes } from "merge-graphql-schemas";
+
+const allTypes = fileLoader(path.join(__dirname, "api/**/*.graphql"));
+const allResolvers = fileLoader(path.join(__dirname, "api/**/*.js"));
+
+const schema = makeExecutableSchema({
+  typeDefs: mergeTypes(allTypes),
+  resolvers: mergeResolvers(allResolvers),
+});
+
+export default schema;