feat(aklive2d): many changes

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

config/chen.yaml

@@ -1,7 +1,4 @@
-link: chen
-type: operator
 date: 2021/08
-title: 'Arknights: Ch''en/Chen the Holungday - 明日方舟：假日威龙陈'
 filename: dyn_illust_char_1013_chen2
 logo: logo_rhodes_override
 fallback_name: char_1013_chen2_2
@@ -9,4 +6,8 @@ viewport_left: 0
 viewport_right: 0
 viewport_top: 1
 viewport_bottom: 1
-invert_filter: false
+invert_filter: false
+color: rgba(14, 126, 239, 0.85)
+codename: 
+  zh-CN: 假日威龙陈
+  en-US: Ch'en/Chen the Holungday