feat(struct_tags): trim output

lua/gopher/struct_tags.lua

@@ -62,6 +62,10 @@ local function handle_tags(fpath, bufnr, user_args)
     error("failed to set tags " .. vim.inspect(res["errors"]))
   end
 
+  for i, v in ipairs(res["lines"]) do
+    res["lines"][i] = string.gsub(v, "%s+$", "")
+  end
+
   vim.api.nvim_buf_set_lines(
     bufnr,
     res["start"] - 1,

spec/fixtures/tags/remove_output.go

@@ -1,11 +1,11 @@
 package main
 
 type Test struct {
-	ID      int    
-	Name    string 
-	Num     int64  
+	ID      int
+	Name    string
+	Num     int64
 	Another struct {
-		First  int    
-		Second string 
-	} 
+		First  int
+		Second string
+	}
 }