Add Terraform remote config

Author: mysk

infrastructure/backend.tf

@@ -0,0 +1,10 @@
+terraform {
+  backend "remote" {
+    hostname     = "app.terraform.io"
+    organization = "mattertwo"
+
+    workspaces {
+      name = "mattertwo-github-io"
+    }
+  }
+}

infrastructure/main.tf

@@ -0,0 +1,14 @@
+terraform {
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 4.16"
+    }
+  }
+
+  required_version = ">= 1.2.0"
+}
+
+provider "aws" {
+  region = "eu-west-2"
+}