feat: add custom treesitter and shfmt

Signed-off-by: kjuulh <contact@kjuulh.io>

lua/plugins/null-ls.lua

@@ -42,6 +42,7 @@ return {
         nls.builtins.formatting.prettierd.with({
           filetypes = { "graphql" }
         }),
+        nls.builtins.formatting.shfmt,
         nls.builtins.code_actions.gitsigns,
         nls.builtins.code_actions.refactoring,
         nls.builtins.formatting.rustfmt.with({

lua/plugins/treesitter.lua

@@ -17,6 +17,13 @@ return {
     }
 
 
+    vim.treesitter.language.register('xml', 'html')
+    vim.filetype.add({
+      extension = {
+        xml = "html"
+      }
+    })
+
     -- https://neovim.io/doc/user/lua.html#vim.filetype.add()
     -- Search for vim.filetype.add
     vim.filetype.add({