samples: add Terra samples

source: https://github.com/zdevito/terra/tree/master/tests

samples/Terra/antiquote1.t

@@ -0,0 +1,12 @@
+
+
+function omgfunc()
+	return 2
+end
+
+terra foo()
+	return 1 + [{omgfunc()}] + [omgfunc()]
+end
+
+local test = require("test")
+test.eq(foo(),5)