Add some more symbols to appropriate categories
Add some more symbols to appropriate categories

Auditors: spicyj

frankandrobot/KaTeX,saschatimme/KaTeX,gagern/KaTeX,saschatimme/KaTeX,gagern/KaTeX,twitwi/KaTeX,kwangkim/katex-npm-0.7.0-pre,gagern/KaTeX,kevinbarabash/KaTeX,zhanghuiguoanlige/KaTeX,xymostech/KaTeX,twitwi/KaTeX,spicyj/KaTeX,kevinbarabash/KaTeX,saschatimme/KaTeX,spicyj/KaTeX,spicyj/KaTeX,mcanthony/KaTeX,twitwi/KaTeX,crepererum/KaTeX,JetStarBlues/KaTeX,kwangkim/KaTeX,xymostech/KaTeX,mcanthony/KaTeX,JetStarBlues/KaTeX,kwangkim/katex-npm-0.7.0-pre,xymostech/KaTeX,spicyj/KaTeX,gagern/KaTeX,azotova/KaTeX,zhanghuiguoanlige/KaTeX,franciscop/KaTeX,twitwi/KaTeX,franciscop/KaTeX,JetStarBlues/KaTeX,kevinbarabash/KaTeX,JetStarBlues/KaTeX,twitwi/KaTeX,crepererum/KaTeX,azotova/KaTeX,mcanthony/KaTeX,xymostech/KaTeX,xymostech/KaTeX,saschatimme/KaTeX,crepererum/KaTeX,saschatimme/KaTeX,frankandrobot/KaTeX,spicyj/KaTeX,azotova/KaTeX,azotova/KaTeX,kevinbarabash/KaTeX,Khan/KaTeX,kwangkim/KaTeX,zhanghuiguoanlige/KaTeX,gagern/KaTeX,franciscop/KaTeX,mcanthony/KaTeX,kwangkim/KaTeX,frankandrobot/KaTeX,franciscop/KaTeX,kwangkim/katex-npm-0.7.0-pre,azotova/KaTeX,kwangkim/katex-npm-0.7.0-pre,Khan/KaTeX,frankandrobot/KaTeX,Khan/KaTeX,crepererum/KaTeX,kevinbarabash/KaTeX,zhanghuiguoanlige/KaTeX,kwangkim/KaTeX,mcanthony/KaTeX,kwangkim/KaTeX,zhanghuiguoanlige/KaTeX,franciscop/KaTeX,JetStarBlues/KaTeX,kwangkim/katex-npm-0.7.0-pre,crepererum/KaTeX,frankandrobot/KaTeX