message: docs: improvements to monaco-graphql readme
diff: GraphQL language plugin for the Monaco Editor. You can use it to build vscode/codespaces-like web or desktop IDEs using whatever frontend javascript libraries or frameworks you want (or even vanilla - see [the webpack example](../../examples/monaco-graphql-webpack/)).
  -> **NOTE:** This is still in pre-release state. Helping out with this project will help advance GraphiQL and many other GraphQL IDE projects. `codemirror-graphql` still has some more nuanced features
  +> **NOTE:** This is in pre-release state. Helping out with this project will help advance GraphiQL and many other GraphQL IDE projects. `codemirror-graphql` has more features, such as JSON variables validation, and is more stable.
  It provides the following features while editing GraphQL files:
  @@ -43,12 +43,13 @@ window.MonacoEnvironment = {
  monaco.editor.create(document.getElementById('someElementId'), {
  value: 'query { }',
  language: 'graphqlDev',
  + formatOnPaste: true,
  });
  GraphQLAPI.setSchemaUri('https://localhost:1234/graphql');
  ```
  -This will cover the basics, making an HTTP POST with the default `introspectionQuery()` operation. To customize the entire fetcher, see [advanced customization]() below
  +This will cover the basics, making an HTTP POST with the default `introspectionQuery()` operation. To customize the entire fetcher, see [advanced customization]() below. For more customization options, see the [Monaco Editor API Docs](https://microsoft.github.io/monaco-editor/api/index.html)
  ## Advanced Usage
  @@ -112,12 +113,12 @@ This is where you can toggle monaco language features. all are enabled by defaul
  ```ts
  GraphQLAPI.setModeConfiguration({
  - documentFormattingEdits: true;
  - completionItems: true;
  - hovers: true;
  - documentSymbols: true;
  - diagnostics: true;
  -})
  + documentFormattingEdits: true,
  + completionItems: true,
  + hovers: true,
  + documentSymbols: true,
  + diagnostics: true,
  +});
  ```
  #### `GraphQLAPI.setFormattingOptions()`
  @@ -211,6 +212,8 @@ If you are familiar with Codemirror/Atom-era terminology and features, here's so
  - the default keymap is different, more vscode like
  - command palette and right click context menu are important
  - you can extend the standard completion/linting/etc provided. for example, `editor.setModelMarkers()`
  +- [Monaco Editor API Docs](https://microsoft.github.io/monaco-editor/api/index.html)
  +- [Monaco Editor Samples](https://github.com/Microsoft/monaco-editor-samples) repository is great for tips on implementing with different bundlers, runtimes, etc
  ## TODO
  