Eve New Project Setup

This walks you through the full post-init setup for Eve Horizon after you've run `eve init`. It covers profile creation, auth, org and project registration, manifest customization, and git remote configuration. The most valuable part is how it explains the URL and namespace structure (like `api.myco-my-app-staging.eh1.incept5.dev`) so you understand what you're committing to when you pick slugs, since they're immutable. It also handles the slightly messy reality of setting up harness API keys across different scopes and shows you how to batch import secrets from a file. Good for first-time Eve setup, less useful once you've done it a few times and know the flow.