doco updates

Author: jeremycook123

exercises/exercise1/README.md

@@ -3,4 +3,13 @@ Create a simple AWS VPC spanning 2 AZs. Public subnets will be created, together
 
 https://github.com/cloudacademy/terraform-aws/tree/main/exercises/exercise1
 
-![AWS Architecture](/doc/AWS-VPC-Nginx.png)
+![AWS Architecture](/doc/AWS-VPC-Nginx.png)
+
+#### Project Structure
+
+```
+├── main.tf
+├── outputs.tf
+├── terraform.tfvars
+└── variables.tf
+```

exercises/exercise2/README.md

@@ -3,4 +3,12 @@ Create an advanced AWS VPC spanning 2 AZs with both public and private subnets.
 
 https://github.com/cloudacademy/terraform-aws/tree/main/exercises/exercise2
 
-![AWS Architecture](/doc/AWS-VPC-ASG-Nginx.png)
+![AWS Architecture](/doc/AWS-VPC-ASG-Nginx.png)
+
+```
+├── ec2.userdata
+├── main.tf
+├── outputs.tf
+├── terraform.tfvars
+└── variables.tf
+```

exercises/exercise3/README.md

@@ -3,4 +3,14 @@ Same AWS architecture as used in Exercise 2. This exercise demonstrates a differ
 
 https://github.com/cloudacademy/terraform-aws/tree/main/exercises/exercise3
 
-![AWS Architecture](/doc/AWS-VPC-ASG-Nginx.png)
+![AWS Architecture](/doc/AWS-VPC-ASG-Nginx.png)
+
+#### Project Structure
+
+```
+├── ec2.userdata
+├── main.tf
+├── outputs.tf
+├── terraform.tfvars
+└── variables.tf
+```

exercises/exercise4/README.md

@@ -14,3 +14,35 @@ The auto scaling web application layer bootstraps itself with both the [Frontend
 * Frontend: https://github.com/cloudacademy/voteapp-frontend-react-2020/releases/latest
 
 * API: https://github.com/cloudacademy/voteapp-api-go/releases/latest
+
+#### Project Structure
+
+```
+├── main.tf
+├── modules
+│   ├── application
+│   │   ├── main.tf
+│   │   ├── outputs.tf
+│   │   └── vars.tf
+│   ├── bastion
+│   │   ├── install.sh
+│   │   ├── main.tf
+│   │   ├── outputs.tf
+│   │   └── vars.tf
+│   ├── network
+│   │   ├── main.tf
+│   │   ├── outputs.tf
+│   │   └── vars.tf
+│   ├── security
+│   │   ├── main.tf
+│   │   ├── outputs.tf
+│   │   └── vars.tf
+│   └── storage
+│       ├── install.sh
+│       ├── main.tf
+│       ├── outputs.tf
+│       └── vars.tf
+├── outputs.tf
+├── terraform.tfvars
+└── variables.tf
+```