Declare the minimum supported Minetest version to 5.0.0

This information can be used by ContentDB.
2020-06-03 18:54:47 +02:00 · 2020-06-03 18:54:47 +02:00 · 3f62fd3cf1
--- a/mod.conf
+++ b/mod.conf
@ -2,3 +2,4 @@ name = moreores
 description = Adds new ore types.
 depends = default
 optional_depends = carts,farming,frame,mg,toolranks
+min_minetest_version = 5.0.0