Incorrect +rt parts

Special +rt meta must have exactly two parts, which is the name of the runtime, and the location of the runtime.

Incorrect:

+rt jvm
+rt jvm eolang

[] > foo

Correct:

+rt jvm org.eolang:eo-runtime:0.0.0

[] > foo

Published on Mon May 26 13:15:47 UTC 2025.