Remove size badge and new status badges

[vikasganiga05]

The github-size badge is broken for some technical issues. So, remove it. Then add new badges.

The broken badge :point_down:

Add new status badges

<p align="center">
  <a href="https://github.com/collab-community/journey-book/graphs/contributors">
    <img src="https://img.shields.io/github/contributors/collab-community/journey-book" alt="Contributors" />
  </a>
  <a href="https://github.com/collab-community/journey-book/pulse">
    <img src="https://img.shields.io/github/commit-activity/m/collab-community/journey-book" alt="Activity" />
  </a>
  <a href="https://choosealicense.com/licenses/mit/">
    <img src="https://img.shields.io/badge/License-MIT-yellow.svg" alt="MIT License" />
  </a>
  <a href="https://discord.gg/PGadh3Vyuv">
    <img src="https://img.shields.io/discord/927781725159977013?logo=discord" alt="Chat on Discord" />
  </a>
  <a href="https://twitter.com/intent/follow?screen_name=collab__">
    <img src="https://img.shields.io/twitter/follow/collab__?style=social&logo=twitter" alt="Follow on Twitter" />
  </a>
</p>

It looks like this :point_down:

[itsmanojthapa]

assign me this issue

[vikasganiga05]

assign me this issue

Go ahead. It's assigned to you.

[vikasganiga05]

Hi @vikasganiga05 kindly assign this issue to me so i can work on it

It's assigned to Manoj. He was first. You can work on other issues Thanks!