Get oh-my-fish installer from a secure connection.

Use HTTPS schema instead of cleartext HTTP.
SSL certificate provided by letsencrypt.com
Installed on private nginx server for redirection.

README.md

@@ -20,13 +20,13 @@ Oh My Fish provides core infrastructure to allow you to install packages which e
 You can get started right away with the default setup by running this in your terminal:
 
 ```fish
-curl -L http://get.oh-my.fish | fish
+curl -L https://get.oh-my.fish | fish
 ```
 
 This will download the installer script and start the installation. Alternatively, you can download the installer and customize your install:
 
 ```fish
-curl -L http://get.oh-my.fish > install
+curl -L https://get.oh-my.fish > install
 fish install --path=~/.local/share/omf --config=~/.config/omf
 ```
 
@@ -38,7 +38,7 @@ $ git clone https://github.com/oh-my-fish/oh-my-fish
 $ cd oh-my-fish
 $ bin/install --offline
 # with a tarball
-$ curl -L http://get.oh-my.fish > install
+$ curl -L https://get.oh-my.fish > install
 $ fish install --offline=omf.tar.gz
 ```