[librsvg/meson-2022-oct] Start a meson.build file with just the version number

[Federico Mena Quintero <federico src gnome org>]

commit f5af1b0f89d9707e41714e95350f37748114287b
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Oct 12 11:37:40 2022 -0500

    Start a meson.build file with just the version number
    
    We'll pull the version number out of there for both build.rs and rsvg-version.h

 meson.build | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/meson.build b/meson.build
new file mode 100644
index 000000000..19e5d0570
--- /dev/null
+++ b/meson.build
@@ -0,0 +1 @@
+project('librsvg', 'rust', 'c', version: '2.55.90', meson_version: '>= 0.63')