Embed the Monaco editor in the cell

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**Graph Notebook Version (and Graph Database and Version used if applicable)**

**Is your feature request related to a problem? Please describe.**
Magics and graph languages keywords are challenging to remember.

**Describe the solution you'd like**
Embed the Monaco editor in a cell. It provides Magic keywords autocomplete, language keyword coloring, language keyword auto-complete, node labels autocomplete, edge types autocomplete, and properties auto-complete.

**Additional context**
Add any other context or screenshots about the feature request here. Describe any alternatives you've considered.