Add ArtifactHub + LitmusChaos to the Sandbox

Signed-off-by: Chris Aniszczyk <[email protected]>

docs/projects.md

@@ -48,9 +48,11 @@
 [Service Mesh Interface](https://smi-spec.io)|Jeff Brewer, Brendan Burns, Matt Klein|[1/16/20](https://github.com/cncf/toc/pull/336) -  [SIG Network](https://github.com/cncf/sig-network/blob/master/recommendations/smi.md)|[3/16/20](https://github.com/deislabs/smi-spec)|Sandbox
 [Argo](https://argoproj.github.io)|Jeff Brewer, Michelle Noorali, Xiang Li|[9/24/19](https://github.com/cncf/toc/pull/299) -  [SIG App Delivery](https://github.com/cncf/sig-app-delivery/issues/18)|[4/7/20](https://github.com/argoproj/argo)|Incubating
 [Volcano](https://volcano.sh)|Liz Rice, Sheng Liang, Alena Prokharchyk|[11/6/19](https://github.com/cncf/toc/pull/318) -  [SIG Runtime](https://github.com/cncf/sig-runtime/blob/master/recommendations/sandbox/volcano.md)|[4/10/20](https://github.com/volcano-sh/)|Sandbox
+[ArtifactHub](https://artifacthub.io)|TOC Vote|[4/1/20](https://github.com/cncf/toc/pull/409)|[6/23/20](https://github.com/artifacthub/hub)|Sandbox
 [BFE](https://www.bfe-networks.net)|TOC Vote|[5/26/20](https://github.com/cncf/toc/pull/453)|[6/23/20](https://github.com/bfenetworks/bfe)|Sandbox
 [Crossplane](https://www.crossplane.io)|TOC Vote|[5/26/20](https://github.com/cncf/toc/pull/454)|[6/23/20](https://github.com/crossplane/crossplane)|Sandbox
 [Dex](https://github.com/dexidp/dex)|TOC Vote|[3/4/20](https://github.com/cncf/toc/pull/379)|[6/23/20](https://github.com/dexidp/dex)|Sandbox
+[LitmusChaos](https://litmuschaos.io)|TOC Vote|[3/13/20](https://github.com/cncf/toc/pull/391)|[6/23/20](https://github.com/litmuschaos/litmus)|Sandbox
 
 ## Graduated Projects
 **Project**|**Sponsor**|**TOC Deck**|**Graduated**|**Maturity Level**