Add gem to nushell path

dot_config/nushell/env.nu.tmpl

@@ -71,8 +71,9 @@ load-env {
         ($'($env.CARGO_HOME?)' | path join "bin")
         ($'($env.HOME)/go/bin')
         ($'($env.HOME)/.deno/bin')
-        ($'($env.HOME)/.rbenv/shims')
+        ($'($env.HOME)/.gem/ruby/2.6.0/bin')
         ($'($env.HOME)/.local/share/JetBrains/Toolbox/scripts')
+        ($'($env.HOME)/.rbenv/shims')
         ($'($env.HOME)/google-cloud-sdk/bin')
         /usr/local/bin
         /usr/bin