revert: create tasks.json and devcontainer.json (#660)

.codesandbox/tasks.json

@@ -1,18 +0,0 @@
-{
-  // These tasks will run in order when initializing your CodeSandbox project.
-  "setupTasks": [
-    {
-      "name": "Install Dependencies",
-      "command": "npm install"
-    }
-  ],
-
-  // These tasks can be run from CodeSandbox. Running one will open a log in the app.
-  "tasks": {
-    "start": {
-      "name": "start",
-      "command": "npm run start",
-      "runAtStart": true
-    }
-  }
-}

.devcontainer/devcontainer.json

@@ -1,22 +0,0 @@
-// For format details, see https://aka.ms/devcontainer.json. For config options, see the
-// README at: https://github.com/devcontainers/templates/tree/main/src/javascript-node
-{
-	"name": "Node.js",
-	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	"image": "mcr.microsoft.com/devcontainers/javascript-node:1-20-bullseye"
-
-	// Features to add to the dev container. More info: https://containers.dev/features.
-	// "features": {},
-
-	// Use 'forwardPorts' to make a list of ports inside the container available locally.
-	// "forwardPorts": [],
-
-	// Use 'postCreateCommand' to run commands after the container is created.
-	// "postCreateCommand": "yarn install",
-
-	// Configure tool-specific properties.
-	// "customizations": {},
-
-	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
-	// "remoteUser": "root"
-}