move to meson for build system

meson.build

@@ -0,0 +1,25 @@
+project(
+  'growl',
+  'c',
+  meson_version : '>= 1.3.0',
+  version : '0.1',
+  default_options : ['buildtype=debugoptimized', 'c_std=c99', 'warning_level=3'],
+)
+
+sources = [
+  'src/chunk.c',
+  'src/compile.c',
+  'src/gc.c',
+  'src/object.c',
+  'src/parser.c',
+  'src/print.c',
+  'src/vm.c',
+  'src/vendor/mpc.c',
+  'src/vendor/yar.c',
+]
+
+exe = executable(
+  'growl',
+  'src/main.c', sources,
+  install : true,
+)