Add a tooltip to the Copy URL button

We aren't doing the hovercard in the design right now, so this is fine

components/Header/index.tsx

@@ -216,16 +216,18 @@ const Header = () => {
     }
 
     return title !== '' ? (
-      <Button
-        blended={true}
-        rightAccessoryIcon={
-          path === 'p' && hasAccessory ? (
-            <LinkIcon className="stroke" />
-          ) : undefined
-        }
-        text={title}
-        onClick={copyToClipboard}
-      />
+      <Tooltip content={t('tooltips.copy_url')}>
+        <Button
+          blended={true}
+          rightAccessoryIcon={
+            path === 'p' && hasAccessory ? (
+              <LinkIcon className="stroke" />
+            ) : undefined
+          }
+          text={title}
+          onClick={copyToClipboard}
+        />
+      </Tooltip>
     ) : (
       ''
     )

public/locales/en/common.json

@@ -404,6 +404,7 @@
     "remix": "Remixed"
   },
   "tooltips": {
+    "copy_url": "Copy the URL to this team",
     "remix": "Make a copy of this team",
     "save": "Save this team to your account",
     "source": "Go to original team"

public/locales/ja/common.json

@@ -405,7 +405,7 @@
     "remix": "リミックスされた"
   },
   "tooltips": {
-    "remix": "この編成をコピーする",
+    "copy_url": "この編成のURLをコピーする",
     "save": "この編成をアカウントに保存する",
     "source": "オリジナルの編成へ"
   },