fix: UAT3 Testing Feedback

[rutalreja-deloitte]

Fixes

• Repo Folder structure
• Readmes to fix linking on folder names
• gitignore files
• API Add to GKE Project - serviceusage.googleapis.com
• Bastion don't create fw flag
• Bastion SA to get Source Writer in app-cicd proj
• Bin Auth add to whitelist
• Enforce Bin Auth off on dev and non prod - default tfvar change
• FW Rule Allow egress all ips all protocol 2022 port
• Node Tag egress-internet
• Ingress FW Rules for cross node ingress used hardcoded dev cidrs changed to vars coming from specific envs

[rutalreja-deloitte]

@bharathkkb should be ready for review

[rutalreja-deloitte]

New Fix after first review: Ingress FW Rules for cross node ingress used hardcoded dev cidrs changed to vars coming from specific envs https://github.com/rutalreja-deloitte/terraform-example-foundation-app/blob/uat3/foundation-extension/3-networks-extension/modules/fw-rules/main.tf#L32