fish-lsp (#2109)

docs: added fish-lsp

Author: ndonfris

_implementors/servers.md

@@ -90,6 +90,7 @@ index: 1
 | [Ember](https://ember-cli.com/) | [Ember community](https://github.com/emberwatch) | [ember language server](https://github.com/emberwatch/ember-language-server) | TypeScript |
 | F# | [@georgewfraser](https://github.com/georgewfraser) | [F# Language Server](https://github.com/georgewfraser/fsharp-language-server) | F# |
 | F# | [@Krzysztof-Cieslak](https://github.com/Krzysztof-Cieslak) & Contributors | [FsAutoComplete](https://github.com/fsharp/FsAutoComplete) | F# |
+| [fish](https://fishshell.com/) | [Nick Donfris](https://github.com/ndonfris) | [fish-lsp](https://github.com/ndonfris/fish-lsp) | TypeScript |
 | [fluent-bit](https://fluentbit.io/) | [Seonghyeon Cho](https://github.com/sh-cho) | [fluent-bit-lsp](https://github.com/sh-cho/fluent-bit-lsp) | Rust |
 | Fortran | [Chris Hansen](https://github.com/hansec) | [fortran-language-server](https://github.com/hansec/fortran-language-server) | Python |
 | [Fortran](https://fortran-lang.org/) | [Giannis Nikiteas](https://github.com/gnikit) | [fortls](https://github.com/gnikit/fortls) | Python |