initial glfw stuff working

src/main.zig

@@ -0,0 +1,7 @@
+const std = @import("std");
+const c = @import("glfw/c.zig");
+
+pub fn main() !void {
+    if (c.glfwInit() != c.GLFW_TRUE) return error.GlfwInitFailed;
+    defer c.glfwTerminate();
+}