refactor: refactor infrastructure code for AWS integration

- Rename `lambda` to `aws` in `infra.d2`
- Add `aws` styling to `aws` shape in `infra.d2`
- Add `lambda` shape to `aws` in `infra.d2`
- Change connections from `drone` and `github_actions` to `aws` in `infra.d2`

Signed-off-by: Bo-Yi.Wu <appleboy.tw@gmail.com>

infra/infra.d2

@@ -33,12 +33,23 @@ github_actions: GitHub Actions {
   }
 }
 
-lambda: AWS Lambda{
-  shape: image
-  icon: https://icons.terrastruct.com/aws%2FCompute%2FAWS-Lambda.svg
+aws: AWS Cloud VPC {
+  style: {
+    stroke: orange
+    font-color: purple
+    stroke-dash: 3
+    fill: white
+  }
+  lambda: Lambda{
+    icon: https://icons.terrastruct.com/aws%2FCompute%2FAWS-Lambda.svg
+    style.multiple: true
+    shape: parallelogram
+  }
 }
 
+
+
 github -> drone: Drone CI Flow
 github -> github_actions: GitHub Action Flow
-drone -> lambda
-github_actions -> lambda
+drone -> aws
+github_actions -> aws