Add the default label size setting

app/templates/admin/labels/settings.html

@@ -102,6 +102,20 @@
                             {% endfor %}
                         </select>
                     </div>
+                    <div class="col-12">
+                        <label class="form-label">Default label size</label>
+                        <select name="tape_size_mode" class="form-select">
+                            {% for key, text in size_modes %}
+                            <option value="{{ key }}" {% if key == tape_size_mode %}selected{% endif %}>{{ text }}</option>
+                            {% endfor %}
+                        </select>
+                        <div class="form-text">
+                            The house size is 40 &times; 15mm, or 40 &times; 20mm when a drawer holds
+                            two part types. Labels lie across the tape, so each uses only its
+                            height in tape length &mdash; about 1.5m per 100 standard labels.
+                            This needs 50mm tape.
+                        </div>
+                    </div>
                     <div class="col-md-6">
                         <label class="form-label">Default orientation</label>
                         <div class="form-check mt-2">
@@ -113,9 +127,9 @@
                             </label>
                         </div>
                         <div class="form-text">
-                            Tape feeds lengthwise, so labels are normally rotated 90&deg;.
-                            If your prints come out sideways, untick this once here and
-                            every tape page will start the right way round.
+                            Only applies to the "fit the tape width" size &mdash; fixed
+                            40mm labels always lie across the tape. If those prints come
+                            out sideways, untick this once here.
                         </div>
                     </div>
                     <div class="col-md-6">