Add an ... alias for quicker navigation

Before, we would have to use eight keystrokes to move up two directories
in the terminal. We wasted so much unnecessary time. We added an `...`
alias to reduce the keystrokes and gain productivity.

README.md

@@ -224,6 +224,7 @@ configuration:
 
 Shell aliases and scripts:
 
+- `...` for quicker navigation to the parent's parent directory.
 - `b` for `bundle`.
 - `g` with no arguments is `git status` and with arguments acts like `git`.
 - `migrate` for `bin/rails db:migrate db:rollback && bin/rails db:migrate db:test:prepare`.

aliases

@@ -15,6 +15,9 @@ alias s="rspec"
 # Pretty print the path
 alias path='echo $PATH | tr -s ":" "\n"'
 
+# Easier navigation: ...
+alias ...="cd ../.."
+
 # Include custom aliases
 if [[ -f ~/.aliases.local ]]; then
   source ~/.aliases.local