Add a README to examples/hello

Just so nobody wonders why there's a meson.build
in this subdirectory.

diff --git a/examples/hello/README.md b/examples/hello/README.md
new file mode 100644 (file)
index 0000000..543a99c
--- /dev/null
+++ b/examples/hello/README.md
@@ -0,0 +1,7 @@
+A trivial example
+=================
+
+This is a very minimal example of an app that can be built against GTK.
+We use this in CI to test that building against the installed GTK works.
+
+That is why there is a standalone meson.build in this subdirectory.