Add 'Translation hints and tips' to weblate.adoc
    
      modified:   modules/ROOT/pages/weblate.adoc
      new file:   modules/ROOT/assets/images/Weblate_create_translation.png
      new file:   modules/ROOT/assets/images/Weblate_project_component_languages.png
      new file:   modules/ROOT/assets/images/Weblate_project_components_list.png
      new file:   modules/ROOT/assets/images/Weblate_project_start_newtrans.png
      new file:   modules/ROOT/assets/images/Weblate_project_start_newtrans_langlist.png
      new file:   modules/ROOT/assets/images/Website_translation_curlybrackets_example_cs.png
      new file:   modules/ROOT/assets/images/Website_translation_curlybrackets_example_en.png