nvim: add harper ls

home/common/nvim/default.nix

@@ -30,6 +30,7 @@
       go
       gopls
       gotools
+      harper
       lua-language-server
       nil
       nixd

home/common/nvim/lsp.lua

@@ -7,6 +7,13 @@ local servers = {
   superhtml = {},
   ts_ls = {},
 
+  harper_ls = {
+    filetypes = {
+      "asciidoc", "c", "gitcommit", "go", "html", "javascript", "just", "lua", "markdown",
+      "nix", "python", "ruby", "rust", "text", "toml", "typescript", "zig",
+    }
+  },
+
   lua_ls = {
     settings = {
       Lua = {