Add go html template support, finally

init.lua

@@ -17,6 +17,16 @@ require("lazy").setup("plugins")
 vim.o.number = true
 vim.o.relativenumber = true
 
+vim.filetype.add({
+  extension = {
+    gotmpl = 'gotmpl',
+  },
+  pattern = {
+    [".*%.gohtml"] = "gotmpl",
+    [".*%.gotmpl"] = "gotmpl"
+  }
+})
+
 -- Panes
 vim.cmd.set("splitright")
 vim.keymap.set("n", "<leader>/", function()