feat: add gleam formatting and snippets

modules/programs/nvim/plugins/lua/conform.lua

@@ -11,10 +11,19 @@ local formatters_by_ft = {
   sh = { "shfmt" },
   toml = { "taplo" },
   yaml = { "yamlfix" },
+  gleam = { "gleam" },
 }
 
 conform.setup({
   formatters_by_ft = formatters_by_ft,
+  formatters = {
+    gleam = {
+      command = "gleam",
+      args = { "format", "--stdin" },
+      stdin = true,
+      cwd = require("conform.util").root_file({ "gleam.toml" }),
+    },
+  },
 })
 
 vim.api.nvim_create_user_command("Format", function(opts)