Localization strings (#1002)

* Update es_ES

* Localization updates

* Documentation

* Localization updates

* Documentation

* Xd

src/renderer/views/pages/installed-themes.ejs

@@ -28,7 +28,7 @@
         <div class="gh-content">
             <div class="repos-list">
                 <div class="repo-header">
-                    <h4>Available</h4>
+                    <h4>{{$root.getLz('settings.option.visual.theme.github.available')}}</h4>
                 </div>
                 <ul class="list-group list-group-flush">
                     <template v-for="theme in themes">
@@ -85,7 +85,7 @@
 
             <div class="style-editor-container">
                 <div class="repo-header">
-                    <h4>Applied</h4>
+                    <h4>{{ $root.getLz("settings.option.visual.theme.github.applied") }} </h4>
                 </div>
                 <stylestack-editor ref="stackEditor"  v-if="themes.length != 0" :themes="themes"/>
             </div>

src/renderer/views/pages/themes-github.ejs

@@ -12,7 +12,7 @@
                 </div>
                 <div class="col-auto flex-center">
                     <button class="md-btn md-btn-small md-btn-block" @click="$root.checkForThemeUpdates()">
-                        Check for updates
+                        {{ $root.getLz('settings.option.visual.theme.checkForUpdates') }}
                     </button>
                 </div>
                 <div class="col-auto nopadding flex-center">