* update dependency (@monaco-editor/loader) version to - v1.0.0
* create useMonaco hook
* export useMonaco from the entry file
* rename the main utility: monaco -> loader
* rename editorDidMount to onMount, add beforeMount
* add defaultModelPath/originalModelPath/modifiedModelPath props
* add defaultValue prop and use it during default model creation
* rename the utility name: monaco -> loader
* handle no-unused-expressions rule
* move 'prop-types' to dependencies
* remove prop
* remove ControlledEditor
* visually combine properties with the same type
* prerelease v4
* prerelease v4: release candidate 0
* fix types according to changed
* add onValidate prop: an event emitted when the length of the model markers of the current model isn't 0
* update package version to 4.0.0-rc.1
* rename monacoEditor to monaco in types
* add state-local as a dependency
* define state-local as a external library and set in UMD globals
* use state-local to store the backup of the model markers setter
* fix types in comments
* create draft version of v4 README file
* fix tabs in Documentation
* make title upper case
* add codesandbox likns
* add playground app for monaco-react
* add .DS_Store file to npm/git ignore files
* fix rollup-plugin-terser named import
* use package 'concurrently' to concurrently run multiple scipts
* add development/playground section
* fix development/playground link
* adjust the playground coding styles
* set the first stable version of the playground
