[1pt] Initialize project#1

[GhostEsso]

• Create a new project. Note: set the database to Postgres --database=postgresql
• Connect a local project to GitHub: git remote add origin git@github.com:...
• Create a dev branch. Make it default in GitHub settings.
• Add linters (Rubocop and StyleLint).
• Add Postgres user and password information to database.yml.
• Add all the necessary gems.