Add CI

.gitlab-ci.yml

+image: $CI_REGISTRY/vlasami6/fmltest:master
+
+test:
+  script:
+    - meson setup build
+    - meson compile -C build
+    - cppcheck --error-exitcode=1 **.c
+    - env FML="$(readlink -f fml)" FML_REF_BC_INT=/cfml/fml /FMLtest/suite ast_interpret \
+        hello_world.fml

example_main.c

@@ -20,6 +20,8 @@ int main(int argc, char **argv) {
 		return 1;
 	}
+	printf("Hello world!\n");
+
 	arena_destroy(&arena);
 	return 0;