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>

meson.build

@@ -0,0 +1,21 @@
+project('e_iwd', 'c',
+  version : '0.1.0',
+  license : 'MIT',
+  default_options : ['c_std=gnu99', 'warning_level=2'])
+
+cc = meson.get_compiler('c')
+
+eldbus    = dependency('eldbus')
+elementary = dependency('elementary')
+enlightenment = dependency('enlightenment')
+
+module_arch = enlightenment.get_variable(pkgconfig: 'module_arch',
+                                         default_value: 'linux-gnu-@0@'.format(host_machine.cpu()))
+module_dir  = join_paths(get_option('libdir'), 'enlightenment', 'modules', 'iwd')
+
+add_project_arguments('-DPACKAGE="e_iwd"',
+                      '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
+                      language : 'c')
+
+subdir('src')
+subdir('data')