feat: Add `divide` icons (#568)

Added 3 division icons (also knows as an obelus).  One by itself, one with a circle around it, and one with a square around it.  These are meant to compliment plus, minus, and x icons.

icons/divide-circle.svg

+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <line x1="8" y1="12" x2="16" y2="12" />
+  <line x1="12" y1="16" x2="12" y2="16" />
+  <line x1="12" y1="8" x2="12" y2="8" />
+  <circle cx="12" cy="12" r="10" />
+</svg>

icons/divide-square.svg

+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <rect x="3" y="3" width="18" height="18" rx="2" ry="2" />
+  <line x1="8" y1="12" x2="16" y2="12" />
+  <line x1="12" y1="16" x2="12" y2="16" />
+  <line x1="12" y1="8" x2="12" y2="8" />
+</svg>

icons/divide.svg

+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <circle cx="12" cy="6" r="2" />
+  <line x1="5" y1="12" x2="19" y2="12" />
+  <circle cx="12" cy="18" r="2" />
+</svg>