Create v10.1 docs

[cristianoc]

Here are the verbatim release notes as of Sep 27: for each item, need to evaluate whether some doc update is required. Ticked means: either not necessary, or doc updated.

10.1.0-rc.1

:bug: Bug Fix

• [ ] Fix location issue in error messages with JSX V4 where the multiple props types are defined https://github.com/rescript-lang/syntax/pull/655

10.1.0-alpha.2

:rocket: New Feature

• [ ] Fix pretty printer where it would print doc comments on the same line as other attributes https://github.com/rescript-lang/syntax/pull/642
• [ ] Propagte "jsx" configuration to dependencies https://github.com/rescript-lang/rescript-compiler/pull/5661
• [ ] Add support for empty record literal {} for records where all fields are optional https://github.com/rescript-lang/rescript-compiler/pull/5658
• [ ] Add support for empty record type (e.g. type empty = {}) https://github.com/rescript-lang/rescript-compiler/pull/5658

:bug: Bug Fix

• [ ] Fix issue in formatting JSX spread props https://github.com/rescript-lang/syntax/pull/644
• [ ] Fix location issue in error messages with JSX V4 where the body of the component is an application https://github.com/rescript-lang/syntax/pull/633
• [ ] Fix printing of type declarations in error message where they would be considered recursive by default
• [ ] Fix issue where the printer would omit attributes for -> and |> https://github.com/rescript-lang/syntax/pull/629
• [ ] Fix printing of optional fields in records https://github.com/rescript-lang/rescript-compiler/issues/5654

:nail_care: Polish

• [ ] Improvements and fixes for JSX V4. See guide https://github.com/rescript-lang/syntax/blob/master/cli/JSXV4.md
• [ ] Mention all missing fields in error message for records, not just one https://github.com/rescript-lang/rescript-compiler/pull/5657

10.1.0-alpha.1

:boom: Breaking Change

• [ ] Vendor genType, which does not need to be installed separately anymore. Only TypeScript back-end supported.
• [ ] Pipe -> does not support a code block on the right-hand side e.g. x->{ open A; get("test") }

:rocket: New Feature

• [ ] Experimental support for for async/await https://github.com/rescript-lang/rescript-compiler/pull/5537

• [ ] Make promise a built-in type https://github.com/rescript-lang/rescript-compiler/pull/5650

• [ ] Initial support for JSX V4 including genType, still work in progress.

  • :boom: when V4 is activated, at most one component is allowed for each module.

• [ ] Add placeholder types for ES6 collections: Set, Map, WeakSet, and WeakMap https://github.com/rescript-lang/rescript-compiler/pull/5630

:bug: Bug Fix

• [ ] Fix issue with arrays and creation of recursive values https://github.com/rescript-lang/rescript-compiler/pull/5640
• [ ] Fix issue where characters such as newlines would be escaped in a template string expression https://github.com/rescript-lang/rescript-compiler/issues/5638
• [ ] Fix issue where pipe -> processing eats up attributes https://github.com/rescript-lang/rescript-compiler/pull/5581
• [ ] Fix issue where cancelling rescript build would leave the .bsb.lock file behind and block future builds

:nail_care: Polish

• [ ] Print patterns in warnings using rescript printer https://github.com/rescript-lang/rescript-compiler/pull/5492