Works on template

Use uri! to generate links instead of hardcoded urls
Fix #110
Fix invalid links needing to be POST forms
Translate login message for boost and like directly from template
Put js for search in its own file

templates/medias/new.rs.html

@@ -1,11 +1,12 @@
 @use templates::base;
 @use template_utils::*;
+@use routes::*;
 
 @(ctx: BaseContext)
 
 @:base(ctx, "Media upload", {}, {}, {
     <h1>@i18n!(ctx.1, "Media upload")</h1>
-    <form method="post" enctype="multipart/form-data">
+    <form method="post" enctype="multipart/form-data" action="@uri!(medias::upload)">
         <label for="alt">
             @i18n!(ctx.1, "Description")
             <small>@i18n!(ctx.1, "Useful for visually impaired people and licensing")</small>