Add simple example

examples/ex1.nim

@@ -0,0 +1,28 @@
+import opengl
+import glfw
+import glew
+
+proc main() =
+  initHint(CONTEXT_VERSION_MAJOR, 3)
+  initHint(CONTEXT_VERSION_MINOR, 2)
+  when defined(macosx):
+    initHint(OPENGL_FORWARD_COMPAT, 1)
+  initHint(OPENGL_PROFILE, OPENGL_CORE_PROFILE)
+
+  discard glfw.init()
+
+  windowHint(CONTEXT_VERSION_MAJOR, 3)
+  windowHint(CONTEXT_VERSION_MINOR, 2)
+  when defined(macosx):
+    windowHint(OPENGL_FORWARD_COMPAT, 1)
+  windowHint(OPENGL_PROFILE, OPENGL_CORE_PROFILE)
+
+  var w = createWindow(800, 600, "Minimal Nim-GLFW Example", nil, nil)
+  w.makeContextCurrent()
+
+  let code = glew.init()
+
+  if code != GLEW_OK:
+    raise newException(CatchableError, "Glew not initialized properly")
+
+main()

glew.nimble

@@ -10,4 +10,4 @@ srcDir        = "src"
 
 # Dependencies
 
-requires "nim >= 1.0.6", "https://github.com/jyapayne/nimterop#head"
+requires "nim >= 1.0.6", "https://github.com/jyapayne/nimterop#head", "https://github.com/jyapayne/nim-glfw#head"