Create .devcontainer.json (#418)

* Create .devcontainer.json

* Update .devcontainer.json

* Update .devcontainer.json

Author: 0x2b3bfa0

.devcontainer.json

@@ -0,0 +1,5 @@
+{
+  "name": "terraform",
+  "extensions": ["hashicorp.terraform"],
+  "postCreateCommand": "/bin/bash -c 'curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo apt-key add - && sudo apt-add-repository \"deb [arch=amd64] https://apt.releases.hashicorp.com $(lsb_release -cs) main\" && sudo apt-get update && sudo apt-get install terraform'"
+}