Add icon to Source tab

Signed-off-by: Rūdolfs Ošiņš <rudolfs@osins.org>

src/components/Icon.svelte

@@ -9,6 +9,7 @@
     | "checkmark-small"
     | "chevron-down"
     | "chevron-left"
+    | "chevron-left-right"
     | "chevron-right"
     | "chevron-up"
     | "clipboard"
@@ -197,6 +198,23 @@
       7.64645C14.5488 7.84171 14.5488 8.15829 14.3536 8.35355L11.0607
       11.6464C10.8654 11.8417 10.8654 12.1583 11.0607 12.3536L14.3536
       15.6464C14.5488 15.8417 14.5488 16.1583 14.3536 16.3536Z" />
+  {:else if name === "chevron-left-right"}
+    <path
+      fill-rule="evenodd"
+      clip-rule="evenodd"
+      d="M9.35353 6.64645C9.54879 6.84171 9.54879 7.15829 9.35353
+      7.35355L5.06064 11.6465L5.06062 11.6465C4.86537 11.8417 4.86537 12.1583
+      5.06062 12.3535L5.06064 12.3535L9.35353 16.6464C9.54879 16.8417 9.54879
+      17.1583 9.35353 17.3536C9.15826 17.5488 8.84168 17.5488 8.64642
+      17.3536L4.35354 13.0607C3.76774 12.4749 3.76773 11.5251 4.35353
+      10.9393C4.35353 10.9393 4.35354 10.9393 4.35354 10.9393L8.64642
+      6.64645C8.84168 6.45118 9.15826 6.45118 9.35353 6.64645ZM14.6464
+      6.64645C14.8417 6.45118 15.1583 6.45118 15.3535 6.64645L19.6464
+      10.9393C20.2322 11.5251 20.2322 12.4749 19.6464 13.0607L15.3535
+      17.3536C15.1583 17.5488 14.8417 17.5488 14.6464 17.3536C14.4512 17.1583
+      14.4512 16.8417 14.6464 16.6464L18.9393 12.3535C19.1346 12.1583 19.1346
+      11.8417 18.9393 11.6465L14.6464 7.35355C14.4512 7.15829 14.4512 6.84171
+      14.6464 6.64645Z" />
   {:else if name === "chevron-right"}
     <path
       fill-rule="evenodd"

src/views/projects/Header.svelte

@@ -54,6 +54,9 @@
       active={view.resource === "tree" ||
         view.resource === "history" ||
         view.resource === "commits"}>
+      <svelte:fragment slot="icon">
+        <Icon size="small" name="chevron-left-right" />
+      </svelte:fragment>
       Source
     </SquareButton>
   </ProjectLink>