feat: installation script

Author: kishieel

bin/couchsync

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+wget -nv https://github.com/kishieel/couchsync/raw/master/bin/couchsync -O /usr/local/bin/couchsync
+chmod +x /usr/local/bin/couchsync

install.sh

@@ -7,8 +7,7 @@ Managing CouchDB design documents can be a tedious task. JavaScript functions mi
 To install CouchSync you can use the following command.
 
 ```shell
-sudo wget https://github.com/kishieel/couchsync/raw/master/bin/couchsync -O /usr/local/bin/couchsync
-chmod +x /usr/local/bin/couchsync
+wget -nv https://github.com/kishieel/couchsync/raw/master/install.sh -O - | sudo bash
 ```
 
 ### Usage