Update projects.json

projects/projects.json

@@ -70,6 +70,8 @@
 "contributor": "Microsoft"},
 {"name":"windows-phone-toolkit.md",
 "contributor": "Microsoft"},
+{"name":"protobuild.md",
+"contributor": "Protobuild"},
 {"name":"wixtoolset.md",
 "contributor": "WiX Toolset"},
 {"name":"xamarin.auth.md",
@@ -101,6 +103,9 @@
 {"name": "Mono Project",
  "logo": "https://avatars2.githubusercontent.com/u/53395?v=2&s=200",
  "web" : "http://www.mono-project.com/"},
+{"name": "Protobuild",
+ "logo": "https://avatars2.githubusercontent.com/u/17447889?v=3&s=200",
+ "web" : "https://protobuild.org/"},
 {"name": "Umbraco",
  "logo": "https://fbcdn-profile-a.akamaihd.net/hprofile-ak-xap1/v/t1.0-1/p160x160/971596_519168901464439_566592989_n.png?oh=ce61e5b4cbd60c0d99c4164cbb05a434&oe=54F091C9&__gda__=1424472439_c9f76213a915bc2af88246f464f29e8b",
  "web" : "http://umbraco.com/"},