doc: add projects_using_vecty.md (#166)

* doc: add projects_using_vecty.md

* README: link to new 'Projects using Vecty' document

README.md

@@ -35,6 +35,8 @@ Current Status
 -	The scope of Vecty is only ~80% defined currently.
 -	There are a number of important [open issues](https://github.com/gopherjs/vecty/issues).
 
+For a list of projects currently using Vecty, see the [doc/projects-using-vecty.md](doc/projects-using-vecty.md) file.
+
 Community
 =========
 

doc/projects-using-vecty.md

@@ -0,0 +1,14 @@
+# Projects using [Vecty](https://github.com/gopherjs/vecty)
+
+The following projects use Vecty to render their frontend in some capacity.
+
+This is just a list of applications using Vecty that we're aware of. We don't strictly endorse these projects, and they don't strictly endorse us, we just think they are cool and have compiled this list _for you, the reader_! :smile:
+
+| Project | Description |
+|---------|-------------|
+| [Go Package Store](https://github.com/shurcooL/Go-Package-Store) | An app that displays updates for the Go packages in your GOPATH. |
+| [Go Play Space](https://goplay.space/) | An advanced Go Playground frontend. |
+| [qlql](https://github.com/gernest/qlql) | A GUI management tool for the [ql database](https://github.com/cznic/ql). |
+| [marwan.io](https://www.marwan.io/) | A portfolio website by Marwan Sulaiman. |
+
+Know of a project using Vecty that is not on this list? Please [let us know](https://github.com/gopherjs/vecty/issues/new)!