feat(lsp): jsonnet-language-server

Add jsonnet-language-server for jsonnet language.
See: https://github.com/grafana/jsonnet-language-server

book/src/generated/lang-support.md

@@ -53,7 +53,7 @@
 | javascript | ✓ | ✓ | ✓ | `typescript-language-server` |
 | jsdoc | ✓ |  |  |  |
 | json | ✓ |  | ✓ | `vscode-json-language-server` |
-| jsonnet | ✓ |  |  |  |
+| jsonnet | ✓ |  |  | `jsonnet-language-server` |
 | jsx | ✓ | ✓ | ✓ | `typescript-language-server` |
 | julia | ✓ |  |  | `julia` |
 | kotlin | ✓ |  |  | `kotlin-language-server` |

languages.toml

@@ -1734,6 +1734,7 @@ file-types = ["libsonnet", "jsonnet"]
 roots = []
 comment-token = "//"
 indent = { tab-width = 2, unit = "  " }
+language-server = { command = "jsonnet-language-server", args= ["-t"] }
 
 [[grammar]]
 name = "jsonnet"