bugfix; add clubskill '妙手'

Bugfix: changed the hotkeys for dialogue Previous/Next pages to resolve the Z key conflict.
(diamond_shovel)

Add: club 21 related text resources.
Add: Registered the Fireseed equipment as sets
Add: Preparations for implementing Fireseed Box
Mechanic Change: Now unsuccessful usage of Fireseed Ash won't cause item to disappear.
Adjustments: changed the itms for Ashes on Fireseeds to less confusion.
Bugfix(?): used the new way for loading in location pics in header.htm

club21怒气技能更新

fix: 修复新前端接口部分问题；

去除了负面状态不必要的部分；
添加了获取攻击方式的函数；

domo, lastgb.htm=san,

lastgb slayer desu

MATH

Changed Mechanic: Changed the ``kind`` of Fireseed Items to be a separate one.
Reimplemented all needed functions.
Altered resources related to this change.

weapon_bow, blessstone improved

更新弓系武器，但是不含资源层，话说商店的最终战术去哪里了

update: 更新新前端接口内容；

手贱多提交了一个废弃文件。总之可以用2颗或者3颗宝石进行强化了

This reverts commit 2d3d319f.

两颗和三颗灵魂宝石可以赌强化

Adjustments.
Will write a new set of lore soon.

Eh, missed another file.

giltch2 on large amount of text seems quite taxing, trying to switch to a different style.

A missed file from last commit.

Bugfix: In the chat/news interface, rainbow text effect for death50 could overflow.
Oddity Fix: Commented out club21 debug lines.
Additions: Various story related additions regarding club21 and other misc. info update.

[ImgBot] Optimize images

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/img/avatar_kh/xinghai_a.jpg -- 161.41kb -> 156.24kb (3.2%)
/img/avatar_kh/sophia_a.jpg -- 158.80kb -> 154.16kb (2.92%)
/img/avatar_kh/howling_a.jpg -- 144.39kb -> 140.46kb (2.72%)
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/img/avatar_kh/SAS_fk.jpg -- 22.82kb -> 22.73kb (0.4%)
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horizon phase o.21

zhang lang bie bu chu lai

调整了club20的部分内容，添加了水果子属性