Add Verible language server for SystemVerilog (#1929)

Co-authored-by: Dirk Bäumer <dirkb@microsoft.com>

_implementors/servers.md

@@ -219,6 +219,7 @@ index: 1
 | [Systemtap](https://sourceware.org/systemtap/) | [Red Hat](https://www.redhat.com/) | [Systemtap LSP](https://sourceware.org/git/?p=systemtap.git;a=tree;f=language-server) | C++ |
 | SystemVerilog | [dalance](https://github.com/dalance) | [svls](https://github.com/dalance/svls) | Rust |
 | SystemVerilog | [Sigasi](https://www.sigasi.com) | Proprietary ([Sigasi](https://insights.sigasi.com/vscode/)) | Java |
+| SystemVerilog | [CHIPS Alliance](https://chipsalliance.org/) | [Verible](https://github.com/chipsalliance/verible) | C++ |
 | T-SQL | MS | [VS Code SQL extension](https://github.com/Microsoft/vscode-mssql/tree/dev/src/languageservice ) | TypeScript, Binary |
 | [Tads3](http://www.tads.org/tads3.htm) | [Tomas Öberg](https://github.com/toerob) | [tads3tools](https://github.com/toerob/vscode-tads3tools) | Tads3 |
 | [Terraform](https://www.terraform.io/) | [Julio Tain Sueiras](https://github.com/juliosueiras) | [terraform-lsp](https://github.com/juliosueiras/terraform-lsp) | Go |