Add Vue Content Loading to showcase (docsifyjs#330)

Author: LucasLeandro1204

Diff for: README.md

@@ -87,6 +87,7 @@ These projects are using docsify to generate their sites. Pull requests welcome
 | [Ts.ED](https://romakita.github.io/ts-express-decorators/#/) | A TypeScript Framework on top of Express |
 | [Ts.LogDebug](https://romakita.github.io/ts-log-debug/#/) | A multi channel logger written in TypeScript |
 | [vue-orgchart](https://spiritree.github.io/vue-orgchart) | Vue.js wrapper for OrgChart.js |
+| [Vue Content Loading](https://lucasleandro1204.github.io/vue-content-loading) | Easily build (or use presets) SVG loading cards Facebook like |
 
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