refactor(gshow): provide exact url of clipboard-cli installation

Author: Bhavi Dhingra

.gitcommitscopes

@@ -5,6 +5,7 @@ gadd
 gbranchcreate
 gcommit
 gdiff
+gshow
 header
 init
 new-command

util/fzf_actions/__gshow_actions

@@ -12,7 +12,7 @@ function __gshow_actions() {
         __print_as "blue" "clipboard-cli"
         printf "%s\n\n" " is required to copy the commit SHA to the clipboard."
         printf "Please install from: "
-        __print_as "blue" "https://github.com/sindresorhus/clipboard-cli"
+        __print_as "blue" "https://github.com/sindresorhus/clipboard-cli#install"
         return
     fi