Add simple devcontainer (#36)

## Description

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Adds dev container file for GitHub

### Related Issue(s)

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## Screenshots

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.devcontainer/devcontainer.json

@@ -0,0 +1,7 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/typescript-node
+{
+  "name": "Node.js & TypeScript",
+  "image": "mcr.microsoft.com/devcontainers/typescript-node:1-22-bookworm",
+  "postCreateCommand": "yarn install"
+}