diff --git a/README.md b/README.md
new file mode 100644
index 0000000..45e1b97
--- /dev/null
+++ b/README.md
@@ -0,0 +1,99 @@
+**Includes** 
+- Plugins
+- Scheduler
+- Resources
+- Events
+- ECS (Archetype)
+
+**Plugin** 
+``` zig
+pub const plugin: App.plugin.Plugin = .{
+    .name = "Renderer",
+    .description = "Vulkan Renderer",
+    .build = build,
+};
+```
+
+**System** 
+``` zig
+pub fn render(ctx: App.scheduler.Context) !void {
+    // --- GET RESOURCES ---
+    const res = try ctx.app.resources.getMany(struct {
+        window: *Window,
+        device: *Device,
+        render_frame: ?*RenderFrame,
+    });
+
+    if (res.render_frame) |rf| {
+        _ = rf;
+    }
+}
+```
+
+**Simple** 
+``` zig
+test "Main" {
+    // --- APP ---
+    var app: Self = .init(std.testing.allocator);
+    defer app.deinit();
+
+    { // PLUGINS
+        // --- ADD PLUGINS ---
+        try app.plugins.addMany(&.{
+            example.simple.plugin,
+        });
+
+        // --- BUILD PLUGINS ---
+        try app.plugins.build(.{
+            .app = &app,
+        });
+    }
+
+    { // SYSTEMS
+        try app.schedules.runMany(&.{
+            example.simple.stage.Init,
+            example.simple.stage.Inputs,
+            example.simple.stage.Update,
+            example.simple.stage.Draw,
+            example.simple.stage.Deinit,
+        }, .{
+            .app = &app,
+        });
+    }
+}
+```
+
+**Default App Stages** 
+``` zig
+pub const stage = struct {
+    // --- INIT ---
+    pub const pre_init = struct {};
+    pub const init = struct {};
+    pub const post_init = struct {};
+
+    // --- DEINIT ---
+    pub const pre_deinit = struct {};
+    pub const deinit = struct {};
+    pub const post_deinit = struct {};
+
+    // --- INPUTS ---
+    pub const pre_inputs = struct {};
+    pub const inputs = struct {};
+    pub const post_inputs = struct {};
+
+    // --- FIXED UPDATE ---
+    pub const pre_fixed_update = struct {};
+    pub const fixed_update = struct {};
+    pub const post_fixed_update = struct {};
+
+    // --- UPDATE ---
+    pub const pre_update = struct {};
+    pub const update = struct {};
+    pub const post_update = struct {};
+
+    // --- DRAW ---
+    pub const pre_draw = struct {};
+    pub const draw = struct {};
+    pub const post_draw = struct {};
+};
+```
diff --git a/src/app.zig b/src/app.zig
index 8e57c20..0ff226b 100644
--- a/src/app.zig
+++ b/src/app.zig
@@ -112,6 +112,7 @@ test "Main" {
             .app = &app,
         });
     }
+
     { // SYSTEMS
         try app.schedules.runMany(&.{
             example.simple.stage.Init,