VSCode: added devcontainer configuration

.devcontainer/devcontainer.json

@@ -0,0 +1,23 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.183.0/containers/ubuntu
+{
+  "name": "Ubuntu",
+  "build": {
+    "dockerfile": "Dockerfile"
+  },
+
+  // Set *default* container specific settings.json values on container create.
+  "settings": {},
+
+  // Add the IDs of extensions you want installed when the container is created.
+  "extensions": [
+	"ms-vscode.cmake-tools",
+	"ms-vscode.cpptools"
+],
+
+  // 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": "uname -a",
+}