bug: gap not supported by chrome

So I changed it to use margins.

Fix #12

src/components/Notes.svelte

@@ -19,6 +19,11 @@
       as closely as possible.
     </p>
 
+
+    <p>The app is mostly developed for Firefox. I also check as much as I
+    can that I don't mess things too badly on Chrome. For the other
+    browsers... caveat emptor.</p>
+
     <p>
       Written by
       <a href="https://twitter.com/yenzie">Yanick Champoux</a>

src/components/Weapon/index.svelte

@@ -116,8 +116,12 @@
 
   .weapon_row {
     display: flex;
-    gap: 2em;
     align-items: center;
   }
 
+  .weapon_row > :global(*) {
+    margin-right: 2em;
+  }
+
+
 </style>