Keyv Chan

- [ ] Cleanup unsupported parser and queries for now - [ ] Use ReqQueue from lsp-server - [ ] Exploring the idea of attaching additional info to tree-sitter Node

`lsp-positions` is from `stack-graphs`, it provide a compatible layer for UTF-8 in rust and UTF-16 in LSP

Mainly for testing purpose.

Fix #15

May achieve by AST/IR based symbolic execution or utilize [](https://plum-umd.github.io/abstracting-definitional-interpreters/)

Use cases: 1. When write code, we may need to write some **inline** documents, which may contains code examples. 2. When write docs such as `markdown` or other format, it...

Currently no tests avaiable.