Add icon files

scipost_django/templates/bi/alarm-fill.html

+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-alarm-fill" viewBox="0 0 16 16">
+  <path d="M6 .5a.5.5 0 0 1 .5-.5h3a.5.5 0 0 1 0 1H9v1.07a7.001 7.001 0 0 1 3.274 12.474l.601.602a.5.5 0 0 1-.707.708l-.746-.746A6.97 6.97 0 0 1 8 16a6.97 6.97 0 0 1-3.422-.892l-.746.746a.5.5 0 0 1-.707-.708l.602-.602A7.001 7.001 0 0 1 7 2.07V1h-.5A.5.5 0 0 1 6 .5zm2.5 5a.5.5 0 0 0-1 0v3.362l-1.429 2.38a.5.5 0 1 0 .858.515l1.5-2.5A.5.5 0 0 0 8.5 9V5.5zM.86 5.387A2.5 2.5 0 1 1 4.387 1.86 8.035 8.035 0 0 0 .86 5.387zM11.613 1.86a2.5 2.5 0 1 1 3.527 3.527 8.035 8.035 0 0 0-3.527-3.527z"/>
+</svg>

scipost_django/templates/bi/alarm.html

+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-alarm" viewBox="0 0 16 16">
+  <path d="M8.5 5.5a.5.5 0 0 0-1 0v3.362l-1.429 2.38a.5.5 0 1 0 .858.515l1.5-2.5A.5.5 0 0 0 8.5 9V5.5z"/>
+  <path d="M6.5 0a.5.5 0 0 0 0 1H7v1.07a7.001 7.001 0 0 0-3.273 12.474l-.602.602a.5.5 0 0 0 .707.708l.746-.746A6.97 6.97 0 0 0 8 16a6.97 6.97 0 0 0 3.422-.892l.746.746a.5.5 0 0 0 .707-.708l-.601-.602A7.001 7.001 0 0 0 9 2.07V1h.5a.5.5 0 0 0 0-1h-3zm1.038 3.018a6.093 6.093 0 0 1 .924 0 6 6 0 1 1-.924 0zM0 3.5c0 .753.333 1.429.86 1.887A8.035 8.035 0 0 1 4.387 1.86 2.5 2.5 0 0 0 0 3.5zM13.5 1c-.753 0-1.429.333-1.887.86a8.035 8.035 0 0 1 3.527 3.527A2.5 2.5 0 0 0 13.5 1z"/>
+</svg>

scipost_django/templates/bi/binoculars-fill.html

+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-binoculars-fill" viewBox="0 0 16 16">
+  <path d="M4.5 1A1.5 1.5 0 0 0 3 2.5V3h4v-.5A1.5 1.5 0 0 0 5.5 1h-1zM7 4v1h2V4h4v.882a.5.5 0 0 0 .276.447l.895.447A1.5 1.5 0 0 1 15 7.118V13H9v-1.5a.5.5 0 0 1 .146-.354l.854-.853V9.5a.5.5 0 0 0-.5-.5h-3a.5.5 0 0 0-.5.5v.793l.854.853A.5.5 0 0 1 7 11.5V13H1V7.118a1.5 1.5 0 0 1 .83-1.342l.894-.447A.5.5 0 0 0 3 4.882V4h4zM1 14v.5A1.5 1.5 0 0 0 2.5 16h3A1.5 1.5 0 0 0 7 14.5V14H1zm8 0v.5a1.5 1.5 0 0 0 1.5 1.5h3a1.5 1.5 0 0 0 1.5-1.5V14H9zm4-11H9v-.5A1.5 1.5 0 0 1 10.5 1h1A1.5 1.5 0 0 1 13 2.5V3z"/>
+</svg>