Add tfvars files to simplify local deployments

.gitignore

@@ -8,7 +8,6 @@ sandbox
 *.tfstate
 *.tfstate.backup
 .terraform
-*.tfvars
 .idea/
 *.backup
 *.tfplan

terraform/prod.secure_agent.tfvars

+image_name="265723766240.dkr.ecr.us-east-1.amazonaws.com/enterprise-integrations/iics_secure_agent:git-8f6f0d24"
+aws_region="us-east-2"
+vpc_tags={"Name":"prod-tier","tier":"prod"}
+private_subnets_filter={"Name":"prod-private-*"}
+security_group={"Name":"internal","tier":"prod"}
+container_name="iics-secure-agent-prod"
+ecs_iam_role="iics-secure-agent-iam-role-prod"
+ecs_execution_role="iics-secure-agent-ecs-execution-role-prod"
+ecs_cluster_tags={"Name":"iics-agent-cluster","tier":"prod"}
+ecs_task_tags={"Name":"iics-secure-agent","tier":"prod"}
+efs_tags={"Name":"iics-secure-agent","tier":"prod"}
+secure_agent_sg_tags={"Name":"secure-agent-efs-sg","tier":"prod"}
+iam_instance_profile="secure-agent-ecs-instance-profile-prod"
+iics_secret_access_policy="iics-secret-access-policy-prod"
+ecs_optimized_ami="ami-044bf85e844eddde5"

terraform/test.secure_agent.tfvars

+image_name="265723766240.dkr.ecr.us-east-1.amazonaws.com/enterprise-integrations/iics_secure_agent:git-8f6f0d24"