Phase 0: scaffold e_iwd Enlightenment module

Meson build, module entry points, and stub layout for the iwd backend
(D-Bus client, gadget, popup, config, UI widgets). Bodies are TODOs;
this compiles against EFL/E headers but performs no D-Bus work yet.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

README.md

@@ -0,0 +1,30 @@
+# e_iwd
+
+Enlightenment module for Wi-Fi management via [iwd](https://iwd.wiki.kernel.org/),
+a native replacement for the ConnMan-based econnman gadget.
+
+See `CLAUDE.md` for the full PRD and implementation plan.
+
+## Status
+
+Phase 0 — scaffolding only. Nothing connects to D-Bus yet.
+
+## Build
+
+    meson setup build
+    ninja -C build
+    sudo ninja -C build install
+
+Requires: `enlightenment`, `elementary`, `eldbus` (pkg-config).
+
+## Layout
+
+    src/
+      e_mod_main.c       module entry points
+      e_mod_gadget.c     shelf gadget
+      e_mod_popup.c      popup UI
+      e_mod_config.c     persistent settings
+      iwd/               D-Bus client to net.connman.iwd
+      ui/                reusable EFL widgets
+    data/
+      module.desktop