target: add gopherbot and gopherbot2 aliases to simplify for newer users

Signed-off-by: deadprogram <ron@hybridgroup.com>

targets/gopherbot.json

@@ -0,0 +1,3 @@
+{
+	"inherits": ["circuitplay-express"]
+}

targets/gopherbot2.json

@@ -0,0 +1,3 @@
+{
+	"inherits": ["circuitplay-bluefruit"]
+}