feat(aklive2d): many changes

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

config/nearl.yaml

@@ -1,7 +1,4 @@
-link: nearl
-type: operator
 date: 2021/11
-title: 'Arknights: Nearl the Radiant Knight - 明日方舟：耀骑士临光'
 filename: dyn_illust_char_1014_nearl2
 logo: logo_kazimierz
 fallback_name: char_1014_nearl2_2
@@ -9,4 +6,8 @@ viewport_left: 2
 viewport_right: 3
 viewport_top: 10
 viewport_bottom: 0
-invert_filter: true
+invert_filter: true
+color: rgba(253, 236, 189, 0.95)
+codename: 
+  zh-CN: 耀骑士临光
+  en-US: Nearl the Radiant Knight