data: add Cloudways Startup Program

[infser]

Summary

Adds entities/cl/cloudways.yaml for the Cloudways Startup Program (Build / Grow / Expand tiers) sourced from the first-party page.

Closes #119

First-party facts cited

• Source: https://www.cloudways.com/en/startup-program.php
• BUILD: $15,000 platform credit + 15% invoice discount + Advance Support add-on worth $1,200/year
• GROW: $25,000 platform credit + 20% invoice discount + Premium Support add-on worth $6,000/year
• EXPAND: $50,000 platform credit + 20% invoice discount + Premium Support add-on worth $6,000/year
• Invoice discount amount is deducted from offered credits
• Eligibility differs by tier (funding stage / bootstrapped; business website + domain email; Cloudways trial; not an agency)
• New applications temporarily closed; public waitlist noted in access instructions

Test plan

• validate catalog change / sourcey/validation CI green
• Confirm no duplicate open Cloudways PR / no prior entities/**/cloudways.yaml on main