📝 Update configure method

Author: Freed-Wu

README.md

@@ -69,10 +69,12 @@ $ luarocks --lua-version 5.1 --local --tree ~/.local/share/nvim/rocks install co
 
 ```lua
 local CodeStats = require 'code-stats.nvim.codestats'.CodeStats
-local args = CodeStats.args
-args.headers['X-API-Token'] = "XXXXXXX.XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
 local codestats = CodeStats {
-    args = args
+    args = vim.tbl_deep_extend('force', CodeStats.args, {
+        headers = {
+            ['X-API-Token'] = "XXXXXXX.XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
+        }
+    })
 }
 codestats:create_autocmds()
 ```

lua/code-stats.lua

@@ -12,8 +12,7 @@ local M = {
             url = "https://codestats.net/",
             headers = {
                 ['Content-Type'] = 'application/json',
-                ['User-Agent'] = 'code-stats-nvim/0.0.1',
-                ['X-API-Token'] = "",
+                ['User-Agent'] = 'code-stats-nvim/0.1.0',
                 Accept = '*/*'
             },
         },
@@ -31,8 +30,6 @@ function M.CodeStats:new(codestats)
         codestats.args.headers = codestats.args.headers or M.CodeStats.args.headers
         codestats.args.headers['X-API-Token'] = dotenv.get('CODESTATS_API_KEY')
     end
-    codestats.args.headers['X-API-Token'] = codestats.args.headers['X-API-Token'] or
-        M.CodeStats.args.headers['X-API-Token']
     setmetatable(codestats, {
         __index = self
     })