Add jsonc parser (#15831)

docs/options.md

@@ -115,8 +115,6 @@ Note that Prettier never unquotes numeric property names in Angular expressions,
 [quote-props-flow]: https://flow.org/try/#0PQKgBAAgZgNg9gdzCYAoVBjOA7AzgFzAA8wBeMAb1TDAAYAuMARlQF8g
 [quote-props-vue]: https://github.com/prettier/prettier/issues/10127
 
-If this option is set to `preserve`, `singleQuote` to `false` (default value), and `parser` to `json5`, double quotes are always used for strings. This effectively allows using the `json5` parser for “JSON with comments and trailing commas”.
-
 ## JSX Quotes
 
 Use single quotes instead of double quotes in JSX.
@@ -282,6 +280,7 @@ Valid options:
 - `"less"` (via [postcss-less](https://github.com/shellscape/postcss-less)) _First available in v1.7.1_
 - `"json"` (via [@babel/parser parseExpression](https://babeljs.io/docs/en/next/babel-parser.html#babelparserparseexpressioncode-options)) _First available in v1.5.0_
 - `"json5"` (same parser as `"json"`, but outputs as [json5](https://json5.org/)) _First available in v1.13.0_
+- `"jsonc"` (same parser as `"json"`, but outputs as "JSON with Comments") _First available in v3.2.0_
 - `"json-stringify"` (same parser as `"json"`, but outputs like `JSON.stringify`) _First available in v1.13.0_
 - `"graphql"` (via [graphql/language](https://github.com/graphql/graphql-js/tree/master/src/language)) _First available in v1.5.0_
 - `"markdown"` (via [remark-parse](https://github.com/wooorm/remark/tree/main/packages/remark-parse)) _First available in v1.8.0_