Adding ISOThread and UNC Thread

app/templates/admin/iso_threads.html

@@ -0,0 +1,20 @@
+{% extends "base.html" %}
+{% block title %}ISO Threads · {{ app_name }}{% endblock %}
+{% block body %}
+{% include "_nav.html" %}
+<main class="container">
+  <h1>ISO Threads</h1>
+
+  <div class="card">
+    <h2>Add thread</h2>
+    <form hx-post="/admin/iso-threads" hx-target="#iso-thread-list" hx-swap="outerHTML" class="form-grid">
+      <label>Diameter (mm) <input type="number" name="diameter_mm" step="0.001" min="0" required></label>
+      <label>Pitch (mm) <input type="number" name="pitch_mm" step="0.001" min="0" required></label>
+      <label>Depth (mm) <input type="number" name="depth_mm" step="0.001" min="0" placeholder="optional"></label>
+      <button type="submit" class="btn btn-primary">Add</button>
+    </form>
+  </div>
+
+  {% include "admin/_iso_threads_table.html" %}
+</main>
+{% endblock %}