This pull request implements support for the [Erlang Language](https://erlang.org/). **It adds:** * [tree-sitter-erlang](https://github.com/WhatsApp/tree-sitter-erlang) grammar highlights (Licensed under Apache-2 from WhatsApp which is compatible with Zed licensing model), folds and indents * Erlang file icon based on the [official one](https://www.erlang.org/doc/erlang-logo.png) * [erlang_ls](https://github.com/erlang-ls/erlang_ls) support Fixes https://github.com/zed-industries/zed/issues/4939, possibly a duplicate of https://github.com/zed-industries/zed/pull/7085 with more features. Suppose @wingyplus wants to join efforts here. **To complete (out of scope for this PR):** * Support for the ELP language server from WhatsApp. CC @robertoaloi * Better indentation handling, need something like `indentNextLinePattern` in VS Code **Screenshots:**      Outline:  **Release Notes:** * Added Erlang Support ([7093](https://github.com/zed-industries/zed/pull/7093)). --------- Signed-off-by: Thanabodee Charoenpiriyakij <wingyminus@gmail.com> Co-authored-by: Thanabodee Charoenpiriyakij <wingyminus@gmail.com>
