optimize: add options to nacos-config.py and fix some option bugs

[saddit]

Ⅰ. Describe what this PR did

• 添加可选的用户名密码等参数 使用（-h,-p,-t,-u,-w,-g）选择性输入参数
• 解决pair[1]出现空字符导致不跳过此轮循环的bug
• 解决分割选项可能导致内容丢失的问题

Ⅱ. Does this pull request fix one issue?

暂未发现相关issue

Ⅲ. Why don't you add test cases (unit test/integration test)?

已通过测试，测试范围仅包含上传config.txt到nacos中

正则表达式测试：

import re

def get_pair(line: str) -> tuple:
    res = re.match(r"([\.\w]+)=(.*)",line)
    return res.groups() if res is not None else ['','']

print(get_pair("a.vc.k=https://jjbj?asdf=123"))
print(get_pair("a.vc.k="))
print(get_pair("a.vc.k=redis"))
print(get_pair("a.vc.k=aa.sdf=12.3"))

结果

('a.vc.k', 'https://jjbj?asdf=123&')
('a.vc.k', '')
('a.vc.k', 'redis')
('a.vc.k', 'aa.sdf=12.3')

Ⅳ. Describe how to verify it

用该脚本提交一次config.txt即可验证

Ⅴ. Special notes for reviews

上一次提交 PULL REQUEST

[lvekee]

请登记pr信息

[lvekee]

LGTM

[funky-eyes]

LGTM for @lvekee

[codecov-commenter]

Codecov Report

Merging #3949 (e09a0d1) into develop (ae2a4c8) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop    #3949   +/-   ##
==========================================
  Coverage      40.20%   40.20%           
  Complexity      3079     3079           
==========================================
  Files            689      689           
  Lines          23323    23323           
  Branches        2886     2886           
==========================================
  Hits            9376     9376           
  Misses         13077    13077           
  Partials         870      870           

[slievrly]

@838239178 Pls remove the irrelevant changes.

[saddit]

@838239178 Pls remove the irrelevant changes.

it‘s ok now

[caohdgege]

请修改一下pr标题，类似以下的：
optimize: fix the problem that nacos-config.py will not skip blank options

[caohdgege]

(有变更的话，在原分支上修改然后push之后就会自动被带过来的，不需要重新开一个pr)

[caohdgege]

LGTM

[lvekee]

LGTM

[slievrly]

LGTM