Add Project.toml and remove REQUIRE

Author: timholy

Project.toml

@@ -0,0 +1,12 @@
+name = "FixedPointNumbers"
+uuid = "53c48c17-4a7d-5ca2-90c5-79b7896eea93"
+version = "0.6.0"
+
+[compat]
+julia = "≥ 1.0"
+
+[extras]
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+
+[targets]
+test = ["Test"]