Add "Tutti Quanti Shelf" app (#1997)
Add "Tutti Quanti Shelf" app (#1997)

* Add "Tutti Quanti Shelf" app

Utilities making use of the KaTeX library have been split between the original app "Vade Mecum Shelf" ("Trigonometric Formulas" utility) and the new app "Tutti Quanti Shelf" ("LaTeX Math Renderer" utility)...

* Link to new app icon

* Update siteConfig.js

* Update siteConfig.js

Fixed image path

xymostech/KaTeX,xymostech/KaTeX,xymostech/KaTeX,xymostech/KaTeX,Khan/KaTeX,Khan/KaTeX,xymostech/KaTeX,Khan/KaTeX