feat(aklive2d): many changes

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

config/rosmontis.yaml

@@ -1,7 +1,4 @@
-link: rosmontis
-type: operator
 date: 2020/11
-title: 'Arknights: Rosmontis - 明日方舟：迷迭香'
 filename: dyn_illust_char_391_rosmon
 logo: logo_elite
 fallback_name: char_391_rosmon_2
@@ -9,4 +6,8 @@ viewport_left: 0
 viewport_right: -14
 viewport_top: -38
 viewport_bottom: -1
-invert_filter: true
+invert_filter: true
+color: rgb(23, 210, 236)
+codename: 
+  zh-CN: 迷迭香
+  en-US: Rosmontis