cmd/jarink: add "version" command

The version command print the version of the program.

1 files changed, 3 insertions, 0 deletions

diff --git a/jarink.go b/jarink.go
index 13f0cd7..d1a1fd3 100644
--- a/jarink.go
+++ b/jarink.go
@@ -7,6 +7,9 @@ import (
 	_ "embed"
 )
 
+// Version of jarink program and module.
+var Version = `0.2.0`
+
 // GoEmbedReadme embed the README for showing the usage of program.
 //
 //go:embed README