fix(docs): lot of misspelling (#1180) [skip ci]

source/app/web/statics/embed/index.html

@@ -69,7 +69,7 @@
             <small>{{ requests.rest.remaining }} REST / {{ requests.graphql.remaining }} GraphQL / {{ requests.search.remaining }} search</small>
             <small class="warning" v-if="preview">
               Metrics are rendered by <a href="https://metrics.lecoq.io/">metrics.lecoq.io</a> in preview mode.
-              Any backend editions won't be reflected but client-side rendering can still be tested.
+              Any backend changes won't be reflected but client-side rendering can still be tested.
             </small>
             <div class="warning" v-if="unusable.length">
               The following plugins options are not available on this web instance: {{ unusable.join(", ") }}

source/app/web/statics/index.html

@@ -76,7 +76,7 @@
             <div class="about">
               <small class="warning mb1" v-if="preview">
                 Metrics are rendered by <a href="https://metrics.lecoq.io/">metrics.lecoq.io</a> in preview mode.<br>
-                Any backend editions won't be reflected but client-side rendering can still be tested.
+                Any backend changes won't be reflected but client-side rendering can still be tested.
               </small>
               <div class="warning mb1" v-if="(!requests.rest.remaining)||(!requests.graphql.remaining)">
                 This web instance has run out of GitHub API requests.

source/app/web/statics/insights/index.html

@@ -79,7 +79,7 @@
           </div>
           <small class="warning" v-if="preview">
             Metrics insights are rendered by <a href="https://metrics.lecoq.io/">metrics.lecoq.io</a> in preview mode.<br>
-            Any backend editions won't be reflected but client-side rendering can still be tested.
+            Any backend changes won't be reflected but client-side rendering can still be tested.
           </small>
         </section>