add language `idris` (#2971)

book/src/generated/lang-support.md

@@ -40,6 +40,7 @@
 | hcl | ✓ |  | ✓ | `terraform-ls` |
 | heex | ✓ |  |  |  |
 | html | ✓ |  |  | `vscode-html-language-server` |
+| idris |  |  |  | `idris2-lsp` |
 | iex | ✓ |  |  |  |
 | java | ✓ |  |  | `jdtls` |
 | javascript | ✓ |  | ✓ | `typescript-language-server` |

languages.toml

@@ -1503,3 +1503,14 @@ grammar = "elvish"
 [[grammar]]
 name = "elvish"
 source = { git = "https://github.com/ckafi/tree-sitter-elvish", rev = "e50787cadd3bc54f6d9c0704493a79078bb8a4e5" }
+
+[[language]]
+name = "idris"
+scope = "source.idr"
+injection-regex = "idr"
+file-types = ["idr"]
+shebangs = []
+roots = []
+comment-token = "--"
+indent = { tab-width = 2, unit = "  " }
+language-server = { command = "idris2-lsp" }