[Module Proposal]: `avm-ptn-app-paas-ase-cosmosdb-tier-four`

### Check for previous/existing GitHub issues/module proposals

- [x] I have checked for previous/existing GitHub issues/module proposals.

### Check this module doesn't already exist in the module indexes

- [x] I have checked for that this module doesn't already exist in the module indexes.

### Bicep or Terraform?

Terraform

### Module Classification?

Pattern Module

### Module Name

avm-ptn-app-paas-ase-cosmosdb-tier-four

### Module Details

This is a pattern module proposal for a Corporate Line of Business application architecture using PaaS components Application Service Environment and CosmosDB in the context of Enterprise Scale Landing Zones. It includes:

Virtual Network with private endpoints for all resources
Network Security Groups
Rout Tables
Application Service Environment
Application Insights
Cosmos DB
Storage Account
Redis Cache
Key Vault

Red highlighted area is the pattern


### Do you want to be the owner of this module?

Yes

### Module Owner's GitHub Username (handle)

mikestiers

### (Optional) Secondary Module Owner's GitHub Username (handle)

andbron