1.0.0

Merge pull request #1 from nshift/initial-project-setup

Initial Project Setup.

changelog: [Added] Separated script for installing essential apps.
changelog: [Added] Separated script for installing essential tools.
changelog: [Added] Separated script for installing essential iOS apps and tools.
changelog: [Added] Script executing all the separated scripts.
changelog: [Added] Gemfile containing essential tools.
changelog: [Added] Input font installation.
changelog: [Added] Custom agnoster theme.
changelog: [Added] Custom iTerm2 preferences.
changelog: [Added] Oh-my-zsh plugins.
changelog: [Added] README.md file.
changelog: [Added] LICENSE file.
changelog: [Added] CONTIBUTING.md file.
changelog: [Added] Git commit message hook.
changelog: [Added] Github issue and pull request templates.