Allow live preview of data catalog website

Author: andrewrjones

.devcontainer/devcontainer.json

@@ -9,7 +9,8 @@
  "vscode": {
  "extensions": [
  "ms-python.python",
- "redhat.vscode-yaml"
+ "redhat.vscode-yaml",
+ "ms-vscode.live-server"
  ],
  "settings": {
  "python.defaultInterpreterPath": "/usr/local/bin/python"