Add basher package file

Author: hugot

README.md

@@ -27,6 +27,10 @@ in your initialization scripts, such as `.bashrc`.
 
 To get zsh completion, move the `git-identity.zsh-completion` file to a location present in your `$FPATH`, renaming the file to `_git-identity`.
 
+You can also use [basher](https://github.com/basherpm/basher) to install git-identity:
+
+    $ basher install madx/git-identity
+
 Usage
 -----
 

package.sh

@@ -0,0 +1,8 @@
+##
+# Basher package file
+
+BINS='git-identity'
+
+BASH_COMPLETIONS='git-identity.bash-completion'
+
+ZSH_COMPLETIONS='git-identity.zsh-completion'