Add language server definition for verible-verilog-ls (#15058)

Author: kpbaks

book/src/generated/lang-support.md

@@ -266,7 +266,7 @@
 | sway | ✓ | ✓ | ✓ |  |  | `forc` |
 | swift | ✓ | ✓ | ✓ |  | ✓ | `sourcekit-lsp` |
 | systemd | ✓ |  |  |  |  | `systemd-lsp` |
-| systemverilog | ✓ |  |  |  |  |  |
+| systemverilog | ✓ |  |  |  |  | `verible-verilog-ls` |
 | t32 | ✓ |  |  |  |  |  |
 | tablegen | ✓ | ✓ | ✓ |  |  |  |
 | tact | ✓ | ✓ | ✓ |  |  |  |

languages.toml

@@ -144,6 +144,7 @@ ty = { command = "ty", args = ["server"] }
 typespec = { command = "tsp-server", args = ["--stdio"] }
 vala-language-server = { command = "vala-language-server" }
 vale-ls = { command = "vale-ls" }
+verible-verilog-ls = { command = "verible-verilog-ls" }
 vhdl_ls = { command = "vhdl_ls", args = [] }
 vlang-language-server = { command = "v-analyzer" }
 vscode-css-language-server = { command = "vscode-css-language-server", args = ["--stdio"], config = { provideFormatter = true, css = { validate = { enable = true } } } }