adding part colour

app/templates/admin/part_colours.html

@@ -0,0 +1,18 @@
+{% extends "base.html" %}
+{% block title %}Part Colours · {{ app_name }}{% endblock %}
+{% block body %}
+{% include "_nav.html" %}
+<main class="container">
+  <h1>Part Colours</h1>
+
+  <div class="card">
+    <h2>Add colour</h2>
+    <form hx-post="/admin/part-colours" hx-target="#part-colour-list" hx-swap="outerHTML" class="form-grid">
+      <label>Name <input type="text" name="name" required></label>
+      <button type="submit" class="btn btn-primary">Add</button>
+    </form>
+  </div>
+
+  {% include "admin/_part_colours_table.html" %}
+</main>
+{% endblock %}