add helm lsp

lsp/helm_ls.lua

@@ -0,0 +1,25 @@
+---@brief
+---
+--- https://github.com/mrjosh/helm-ls
+---
+--- Helm Language server. (This LSP is in early development)
+---
+--- `helm Language server` can be installed by following the instructions [here](https://github.com/mrjosh/helm-ls).
+---
+--- The default `cmd` assumes that the `helm_ls` binary can be found in `$PATH`.
+---
+--- If need Helm file highlight use [vim-helm](https://github.com/towolf/vim-helm) plugin.
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'helm_ls', 'serve' },
+  filetypes = { 'helm', 'yaml.helm-values' },
+  root_markers = { 'Chart.yaml' },
+  capabilities = {
+    workspace = {
+      didChangeWatchedFiles = {
+        dynamicRegistration = true,
+      },
+    },
+  },
+}