i18n support for TOS checkbox

ref #4

src/components/Register.vue

@@ -177,8 +177,14 @@
           </div>
           <div class="ml-3 text-sm">
             <label for="agb_accepted" class="font-medium text-gray-400 select-none">
-              Ich habe die
-              <a target="_blank" rel="noreferrer,noopener" href class="underline">AGBs</a> gelesen und akzeptiert.
+              {{ $t('i_accept', { tos: $t('tos') }) }}
+              <a
+                target="_blank"
+                rel="noreferrer,noopener"
+                href
+                class="underline"
+              >{{ $t('tos') }}</a>
+              {{ $t('i_accept_end') }}
               <span class="font-bold">*</span>
             </label>
           </div>