eslint fix

src/views/GamesView/GamesView.jsx

@@ -21,7 +21,7 @@ export default function () {
       <h1>
         <a
           target='_blank'
-          rel='noopener'
+          rel='noopener noreferrer'
           href='https://ifdb.org/'
           title='The Interactive Fiction Database'>
           IFDB
@@ -60,21 +60,21 @@ export default function () {
       <p>
         <a
           target='_blank'
-          rel='noopener'
+          rel='noopener noreferrer'
           href='https://ifdb.org/search?comp&sortby=awn&searchfor=series%3AInteractive+Fiction+Top+50+of+All+Time'>
           Every four years </a>, Victor Gijsbers puts
         together a list of the top 50 IF games of all time.
 
         Here is an almost complete version of the <a
           target='_blank'
-          rel='noopener'
+          rel='noopener noreferrer'
           href='https://ifdb.org/viewcomp?id=1lv599reviaxvwo7'>
           list for 2019</a>:
       </p>
 
       <ol>
         {top2019.map(game => (
-          <li>
+          <li key={game[0]}>
             <GameEntry {...{
               ...game
             }} />

src/views/HomeView/HomeView.jsx

@@ -31,7 +31,7 @@ export default function ({ themeEngine }) {
           <br />
           Source code can be found in this <a
             target='_blank'
-            rel='noopener'
+            rel='noopener noreferrer'
             href='https://github.com/He4eT/ifplayer'>
             repository
           </a>.

src/views/NotFoundView.jsx

@@ -17,7 +17,7 @@ export default () => (
       |
       <a
         target='_blank'
-        rel='noopener'
+        rel='noopener noreferrer'
         href='https://github.com/He4eT/ifplayer/issues'>
         Report bug
       </a>

src/views/PlayerView/PlayerView.jsx

@@ -10,7 +10,7 @@ const decode = encodedUrl => decodeURIComponent(encodedUrl)
 export default function ({
   setTheme, theme, encodedUrl, singleWindow
 }) {
-  useEffect(() => setTheme(theme), [theme])
+  useEffect(() => setTheme(theme), [setTheme, theme])
 
   const [targetUrl, setTargetUrl] = useState(decode(encodedUrl))