restore homepage timeline

app/views/coordinate/home.scala.html

@@ -26,7 +26,7 @@ moreJs = moreJs) {
   <div class="score_container"><strong class="score">0</strong></div>
   <div class="side">
     <div class="box">
-      <h1>@trans.training()</h1>
+      <h1>@trans.coordinates()</h1>
       @if(ctx.isAuth) {
       @scoreOption.map { score =>
       <div class="scores">

app/views/lobby/home.scala.html

@@ -50,6 +50,7 @@ i18n: @jsI18n()
 title = "",
 fullTitle = Some("lichess.org • " + trans.freeOnlineChess.str()),
 baseline = baseline.some,
+side = side.some,
 moreJs = moreJs,
 moreCss = cssTag("home.css"),
 underchat = underchat.some,

app/views/opening/show.scala.html

@@ -9,7 +9,6 @@ document.querySelector('#lichess .round'),
 @JsData(opening, identified, userInfos, play = true, attempt = none, win = none, animationDuration = animationDuration),
 openingRoutes.controllers,
 @Html(J.stringify(i18nJsObject(
-trans.training,
 trans.toTrackYourProgress,
 trans.signUp,
 trans.trainingSignupExplanation,

ui/opening/src/view.js

@@ -137,7 +137,7 @@ function renderCommentary(ctrl) {
 
 function renderTrainingBox(ctrl) {
   return m('div.box', [
-    m('h1', ctrl.trans('training')),
+    m('h1', ctrl.trans('openings')),
     ctrl.data.user ? renderUserInfos(ctrl) : m('div.register', [
       m('p', ctrl.trans('toTrackYourProgress')),
       m('p.signup',