set index: false and add a clobber test (#50)

localturk.ts

@@ -234,7 +234,7 @@ const app = express();
 app.use(errorhandler());
 app.use(express.json({limit: '50mb'}));
 app.use(express.urlencoded({limit: '50mb', extended: false, parameterLimit: 50_000}));
-app.use(serveStatic(path.resolve(staticDir)));
+app.use(serveStatic(path.resolve(staticDir), {index: false}));
 
 app.get(
   '/',

test/index-clobber/index.html

@@ -0,0 +1 @@
+You're looking for <code>template.html</code>. If you see this, it's a bug!

test/index-clobber/outputs.csv

@@ -0,0 +1,2 @@
+image1,image2,line1,line2
+images/0.png,images/1.png,"Lorem ipsum dolor sit amet, consectetur adipsiscing elit.",Integer vulputate augue a sem pellentesque pharetra.

test/index-clobber/tasks.csv

@@ -0,0 +1,7 @@
+image1,image2
+images/0.png,images/1.png
+images/2.png,images/3.png
+images/4.png,images/5.png
+images/6.png,images/7.png
+images/8.png,images/9.png
+images/10.png,images/11.png

test/index-clobber/template.html

@@ -0,0 +1,29 @@
+<h3>Transcribe text</h3>
+
+<style type="text/css">
+img {
+  min-height: 42px;
+  margin-left: 20px;
+}
+input[type=text] {
+  font-size: 18px;
+  margin-left: 20px;
+}
+</style>
+
+<ul class="overview-list">
+  <li class="overview-list-item">Type the words that you see in each image in the box below the image.</li>
+  <li class="overview-list-item">If you cannot read a word, record it as ____</li>
+  <li class="overview-list-item">Please preserve capitalization and punctuation.</li>
+  <li class="overview-list-item">Ignore crossed-out words.</li>
+</ul>
+
+<p>
+  <img src="${image1}" /><br/>
+  <input type="text" size=100 name="line1" />
+</p>
+
+<p>
+  <img src="${image2}" /><br/>
+  <input type="text" size=100 name="line2" />
+</p>