Add Scherzo of Iron and Blood WarArchives

增加作战档案：铁血音符誓言

module/war_archives/dictionary.py

@@ -11,6 +11,7 @@ dic_archives_template = {
     'war_archives_20180607_cn': TEMPLATE_INK_STAINED_STEEL_SAKURA,
     'war_archives_20180726_cn': TEMPLATE_IRIS_OF_LIGHT_AND_DARK,
     'war_archives_20181227_cn': TEMPLATE_CRIMSON_ECHOES,
+    'war_archives_20200820_cn': TEMPLATE_SCHERZO_OF_IRON_AND_BLOOD,
     'war_archives_20190911_cn': TEMPLATE_EMPYREAL_TRAGICOMEDY,
     'war_archives_20210325_cn': TEMPLATE_ASHEN_SIMULACRUM,
 }