Start of the starter pack so I can get the installs up and write a blog post about it.

meson.build

@@ -0,0 +1,14 @@
+project('sfmldemo', 'cpp',
+    default_options: ['cpp_std=c++20'])
+
+dependencies = [
+  dependency('sfml'),
+  dependency('imgui-sfml'),
+  dependency('fmt'),
+  dependency('box2d'),
+]
+
+executable('sfmldemo', 'main.cpp',
+  win_subsystem: 'windows',
+  cpp_args: '-DFMT_HEADER_ONLY',
+  dependencies: dependencies)