Update README.md (#24)

Signed-off-by: Zeibura Kathau <zeibura.kathau@broadcom.com>

Author: zeibura

README.md

@@ -35,7 +35,7 @@ With the Code4z extension pack you can:
 
 [![Visual Studio Marketplace Installs](https://img.shields.io/visual-studio-marketplace/i/broadcomMFD.cobol-language-support?color=brighgreen&label=Marketplace&style=flat-square)](https://marketplace.visualstudio.com/items?itemName=broadcomMFD.cobol-language-support)
 [![GitHub issues](https://img.shields.io/github/issues-raw/eclipse/che-che4z-lsp-for-cobol?style=flat-square)](https://github.com/eclipse/che-che4z-lsp-for-cobol/issues)
-[![slack](https://img.shields.io/badge/chat-on%20Slack-blue?style=flat-square)](https://join.slack.com/t/che4z/shared_invite/enQtNzk0MzA4NDMzOTIwLWIzMjEwMjJlOGMxNmMyNzQ1NWZlMzkxNmQ3M2VkYWNjMmE0MGQ0MjIyZmY3MTdhZThkZDg3NGNhY2FmZTEwNzQ)
+[![slack](https://img.shields.io/badge/chat-on%20Slack-blue?style=flat-square)](https://communityinviter.com/apps/che4z/code4z)
 
 COBOL Language Support provides autocomplete, highlighting and diagnostic features for COBOL code and copybooks.
 
@@ -54,7 +54,7 @@ COBOL Language Support provides autocomplete, highlighting and diagnostic featur
 
 [![Visual Studio Marketplace Installs](https://img.shields.io/visual-studio-marketplace/i/broadcomMFD.hlasm-language-support?color=brighgreen&label=Marketplace&style=flat-square)](https://marketplace.visualstudio.com/items?itemName=broadcomMFD.hlasm-language-support)
 [![GitHub issues](https://img.shields.io/github/issues-raw/eclipse/che-che4z-lsp-for-hlasm?style=flat-square)](https://github.com/eclipse/che-che4z-lsp-for-hlasm/issues)
-[![slack](https://img.shields.io/badge/chat-on%20Slack-blue?style=flat-square)](https://join.slack.com/t/che4z/shared_invite/enQtNzk0MzA4NDMzOTIwLWIzMjEwMjJlOGMxNmMyNzQ1NWZlMzkxNmQ3M2VkYWNjMmE0MGQ0MjIyZmY3MTdhZThkZDg3NGNhY2FmZTEwNzQ)
+[![slack](https://img.shields.io/badge/chat-on%20Slack-blue?style=flat-square)](https://communityinviter.com/apps/che4z/code4z)
 
 Code completion, highlighting, browsing and validation for High Level Assembler language.
 
@@ -94,7 +94,7 @@ You can learn more about the Zowe Explorer by watching the [Getting Started](htt
 ## [Explorer for Endevor](https://marketplace.visualstudio.com/items?itemName=broadcomMFD.explorer-for-endevor)
 [![Visual Studio Marketplace Installs](https://img.shields.io/visual-studio-marketplace/i/broadcomMFD.explorer-for-endevor?color=brighgreen&label=Marketplace&style=flat-square)](https://marketplace.visualstudio.com/items?itemName=broadcomMFD.explorer-for-endevor)
 [![GitHub issues](https://img.shields.io/github/issues-raw/eclipse/che-che4z-explorer-for-endevor?style=flat-square)](https://github.com/eclipse/che-che4z-explorer-for-endevor/issues)
-[![slack](https://img.shields.io/badge/chat-on%20Slack-blue?style=flat-square)](https://join.slack.com/t/che4z/shared_invite/enQtNzk0MzA4NDMzOTIwLWIzMjEwMjJlOGMxNmMyNzQ1NWZlMzkxNmQ3M2VkYWNjMmE0MGQ0MjIyZmY3MTdhZThkZDg3NGNhY2FmZTEwNzQ)
+[![slack](https://img.shields.io/badge/chat-on%20Slack-blue?style=flat-square)](https://communityinviter.com/apps/che4z/code4z)
 
 Explorer for Endevor gives you the ability to Browse and Retrieve [CA Endevor® SCM](https://www.broadcom.com/products/mainframe/devops-app-development/app/endevor-software-change-manager) elements using a user-friendly, intuitive interface.
 
@@ -108,7 +108,7 @@ This extension offers best developer experience in synergy with [Bridge for Git]
 ## [Debugger for Mainframe](https://marketplace.visualstudio.com/items?itemName=broadcomMFD.debugger-for-mainframe)
 [![Visual Studio Marketplace Installs](https://img.shields.io/visual-studio-marketplace/i/broadcomMFD.debugger-for-mainframe?color=brighgreen&label=Marketplace&style=flat-square)](https://marketplace.visualstudio.com/items?itemName=broadcomMFD.debugger-for-mainframe)
 [![GitHub issues](https://img.shields.io/github/issues-raw/broadcomMFD/debugger-for-mainframe?style=flat-square)](https://github.com/BroadcomMFD/debugger-for-mainframe/issues)
-[![slack](https://img.shields.io/badge/chat-on%20Slack-blue?style=flat-square)](https://join.slack.com/t/che4z/shared_invite/enQtNzk0MzA4NDMzOTIwLWIzMjEwMjJlOGMxNmMyNzQ1NWZlMzkxNmQ3M2VkYWNjMmE0MGQ0MjIyZmY3MTdhZThkZDg3NGNhY2FmZTEwNzQ)
+[![slack](https://img.shields.io/badge/chat-on%20Slack-blue?style=flat-square)](https://communityinviter.com/apps/che4z/code4z)
 
 Debugger for Mainframe provides the debugging interface to [CA InterTest™ for CICS](https://www.broadcom.com/products/mainframe/devops-app-development/testing-quality/intertest-cics) and [CA InterTest™ Batch](https://www.broadcom.com/products/mainframe/testing-and-quality/intertest-batch). This extension provides a modern debug experience for CICS and Batch applications written in COBOL.