feat(aklive2d): many changes

- generalized env_generator
- fixed content_processor
- updated config to add fields
- removed redundant fields in config

config/specter.yaml

@@ -1,7 +1,4 @@
-link: specter
-type: operator
 date: 2022/05
-title: 'Arknights: Specter the Unchained - 明日方舟：归溟幽灵鲨'
 filename: dyn_illust_char_1023_ghost2
 logo: logo_abyssal
 fallback_name: char_1023_ghost2_2
@@ -9,4 +6,8 @@ viewport_left: 0
 viewport_right: 0
 viewport_top: 0
 viewport_bottom: 0
-invert_filter: true
+invert_filter: true
+color: rgba(14, 124, 203, 0.86)
+codename: 
+  zh-CN: 归溟幽灵鲨
+  en-US: Specter the Unchained