Add Doris Schoolhouse and clean pending homelab changes

home/doris-schoolhouse/app/templates/assignment_upload.html

@@ -0,0 +1,23 @@
+{% extends 'base.html' %}
+{% block content %}
+<section class="card form-card">
+  <h2>Assignment Upload</h2>
+  <form class="stack" method="post" enctype="multipart/form-data" action="/api/assignments/intake" id="assignment-upload-form">
+    <label>Class
+      <select name="class_id" id="class-select" required>
+        <option value="">Loading classes…</option>
+      </select>
+      <input type="hidden" name="class_name" id="class-name-input">
+    </label>
+    <label>Assignment
+      <select name="assignment_name" id="assignment-select" required>
+        <option value="">Pick a class first</option>
+      </select>
+    </label>
+    <label>Version <input name="version" value="v1"></label>
+    <label>Notes <textarea name="notes" rows="4" placeholder="Anything useful about this turn-in."></textarea></label>
+    <label>File <input type="file" name="file" required></label>
+    <button type="submit">Upload for metadata confirmation</button>
+  </form>
+</section>
+{% endblock %}