refactored translations, preparing sending of document

frontend/src/routes/user/ResetPw.svelte

@@ -4,7 +4,7 @@
     import { useTinyRouter } from 'svelte-tiny-router';
 
     let mail = "";
-    let caption = t('user.send_mail');
+    let caption = t('send_mail');
     let error = null;
     const router = useTinyRouter();
 
@@ -16,7 +16,7 @@
             body : mail
         });
         if (resp.ok) {
-            caption = t('user.data_sent');
+            caption = t('data_sent');
         } else {
             caption = await resp.text();
         }
@@ -58,10 +58,10 @@
 
 <form onsubmit={submit}>
 <fieldset>
-    <legend>{t('user.reset_pw')}</legend>
+    <legend>{t('reset_pw')}</legend>
     <label>
         <input type="email" bind:value={mail}/>
-        {t('user.enter_email')}
+        {t('enter_email')}
     </label>
     <button type="submit">{caption}</button>
     {#if error}