chore: replace the temp slack url to permanent route (#104)

* chore: replace the temp slack url to permanent route

Signed-off-by: amaan-bhati <amaanbhati49@gmail.com>

* fix: move alt text from anchor to img and add aria-label for slack badge

Signed-off-by: amaan-bhati <amaanbhati49@gmail.com>

---------

Signed-off-by: amaan-bhati <amaanbhati49@gmail.com>

Author: amaan-bhati

README.md

@@ -4,8 +4,8 @@
   <a href="CODE_OF_CONDUCT.md" alt="Contributions welcome">
     <img src="https://img.shields.io/badge/Contributions-Welcome-brightgreen?logo=github" /></a>
 
-  <a href="https://join.slack.com/t/keploy/shared_invite/zt-3zcnuqfgl-WYK1NMhslVHsCtNcA1ULwA" alt="Slack">
-    <img src=".github/slack.svg" /></a>
+  <a href="https://keploy.io/slack" aria-label="Slack">
+    <img src=".github/slack.svg" alt="Slack" /></a>
 
   <a href="https://opensource.org/licenses/Apache-2.0" alt="License">
     <img src=".github/License-Apache_2.0-blue.svg" /></a>
@@ -33,7 +33,7 @@ This repo contains the samples for [Keploy's](https://keploy.io) integration wit
 
 Reach out to us. We're here to help!
 
-[![Slack](https://img.shields.io/badge/Slack-4A154B?style=for-the-badge&logo=slack&logoColor=white)](https://join.slack.com/t/keploy/shared_invite/zt-3zcnuqfgl-WYK1NMhslVHsCtNcA1ULwA)
+[![Slack](https://img.shields.io/badge/Slack-4A154B?style=for-the-badge&logo=slack&logoColor=white)](https://keploy.io/slack)
 [![LinkedIn](https://img.shields.io/badge/linkedin-%230077B5.svg?style=for-the-badge&logo=linkedin&logoColor=white)](https://www.linkedin.com/company/keploy/)
 [![YouTube](https://img.shields.io/badge/YouTube-%23FF0000.svg?style=for-the-badge&logo=YouTube&logoColor=white)](https://www.youtube.com/channel/UC6OTg7F4o0WkmNtSoob34lg)
 [![Twitter](https://img.shields.io/badge/Twitter-%231DA1F2.svg?style=for-the-badge&logo=Twitter&logoColor=white)](https://twitter.com/Keployio)