chore(docs): update

Author: eunchurn

README.md

@@ -10,6 +10,28 @@ CRA app deployment via Terraform AWS S3, CloudFront, CodePipeline, CodeBuild
 - NodeJS 16
 - [Terraform](https://learn.hashicorp.com/tutorials/terraform/install-cli)
 
+### Terraform install for Apple Silicon
+
+[Reference](https://discuss.hashicorp.com/t/template-v2-2-0-does-not-have-a-package-available-mac-m1/35099/4)
+
+- 1. Remove any existing Terraform binary (/usr/bin/terraform and/or /usr/local/bin/terraform)
+- 2. Install [m1-terraform-provider-helper](https://github.com/kreuzwerker/m1-terraform-provider-helper)
+  - 2.1. `brew install kreuzwerker/taps/m1-terraform-provider-helper`
+- 3. Install Terraform
+  - 3.1. `brew tap hashicorp/tap`
+  - 3.2. `brew install hashicorp/tap/terraform`
+- 4. Install the hashicorp/template version v2.2.0
+  - 4.1. `m1-terraform-provider-helper activate`
+  - 4.2. `m1-terraform-provider-helper install hashicorp/template -v v2.2.0`
+
+```
+➜  ~ terraform --version
+Terraform v1.3.1
+on darwin_arm64
++ provider registry.terraform.io/hashicorp/aws v4.33.0
++ provider registry.terraform.io/hashicorp/random v3.4.3
++ provider registry.terraform.io/hashicorp/template v2.2.0
+```
 ### Project
 
 - Create React App 
@@ -32,4 +54,12 @@ CRA app deployment via Terraform AWS S3, CloudFront, CodePipeline, CodeBuild
 
 - Check outputs
 
+## CodeStar Connection
+
+GitHub 리포 연결을 위해서는 콘솔에서 직접 연결해야 함. CodePipeline 에서 Setting
+
+`terraform apply` 이후
+
+CodePipeline > Settings > Connections
 
+Status = Pending 인 커넥션 선택 후 `Update pending connection` 으로 Github 연결