message: Use res.json not res.send
diff: @@ -66,7 +66,7 @@ export async function createRouter(
  });
  const projects = await jenkinsApi.getProjects(jenkinsInfo, branchStr);
  - response.send({
  + response.json({
  projects: projects,
  });
  },
  @@ -92,7 +92,7 @@ export async function createRouter(
  parseInt(buildNumber, 10),
  );
  - response.send({
  + response.json({
  build: build,
  });
  },
  @@ -115,7 +115,7 @@ export async function createRouter(
  await jenkinsApi.buildProject(jenkinsInfo, jobName);
  // TODO: return the buildNumber which was started.
  - response.send({});
  + response.json({});
  },
  );
  