sorted markdown and added favicon

test/api-docs.test.js

@@ -17,7 +17,7 @@ async function read(relativePath) {
   return readAppFile(relativePath);
 }
 
-async function markdownFiles(directory = root) {
+async function markdownFiles(directory = path.join(root, 'docs')) {
   const result = [];
   const entries = await fs.readdir(directory, { withFileTypes: true });
   for (const entry of entries) {
@@ -49,8 +49,8 @@ function assertMiddleware(declaration, middleware) {
 
 test('complete REST API documentation is kept outside the README', async () => {
   const files = await markdownFiles();
-  const readmePath = files.find(file => path.basename(file).toLowerCase() === 'readme.md');
-  assert.ok(readmePath, 'README.md is missing');
+  const readmePath = path.join(root, 'docs', 'README.md');
+  assert.ok(files.includes(readmePath), 'docs/README.md is missing');
 
   const readme = await fs.readFile(readmePath, 'utf8');
   const outsideReadme = files.filter(file => file !== readmePath);