Added support for record and tuple syntax. (#10865)

* Added support for record and tuple syntax.

This commit adds support for both the hash #{} and bar {||}
syntaxes to babel-parser, as well as adds the supporting
babel-plugin-syntax-record-and-tuple plugin to enable support
for the syntax. Does not include any transform for records and
tuples.

* typo

* added check to ensure recordAndTuple in babel-parser

* switched to syntaxType option instead of explicit entries for each record and tuple type

* switched to using recordAndTupleSyntaxType for generator options instead of adding to node

* added tests for generator option recordAndTupleSyntaxType

* added test for record and tuple bar syntax with flow typings

* added tests for invalid/missing recordAndTuple syntaxType parser option

* fixed flowcheck errors

* fix merge with class privates in tokenizer

* Update packages/babel-parser/src/types.js

Co-Authored-By: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>

* improved recordAndTuple generator error message, added tests for invalid,missing options

* updated error messages for invalid parser syntaxType option

* updated error message

* added better error messages for when the recordAndTuple syntaxType is doesn't match the syntax used

* updated record and tuple support to use new error message templates

* added recordAndTuple to missing plugin helpers

* Fix linting

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>

packages/babel-core/src/parser/util/missing-plugin-helper.js

@@ -143,6 +143,12 @@ const pluginNameMap = {
       url: "https://git.io/vb4SU",
     },
   },
+  recordAndTuple: {
+    syntax: {
+      name: "@babel/plugin-syntax-record-and-tuple",
+      url: "https://git.io/JvKp3",
+    },
+  },
   throwExpressions: {
     syntax: {
       name: "@babel/plugin-syntax-throw-expressions",