update references

Author: M-DEV-1

.github/ISSUE_TEMPLATE/bug_report.md

@@ -37,4 +37,4 @@ assignees: ''
 - 📚 [Instructions for contributing to documentation](https://github.com/meshery/meshery/blob/master/CONTRIBUTING.md#documentation-contribution-flow)
    - Meshery documentation [site](https://docs.meshery.io/) and [source](https://github.com/meshery/meshery/tree/master/docs)
 - 🎨 Wireframes and [designs for Meshery UI](https://www.figma.com/file/SMP3zxOjZztdOLtgN4dS2W/Meshery-UI) in Figma [(open invite)](https://www.figma.com/team_invite/redeem/qJy1c95qirjgWQODApilR9)
-- 🙋🏾🙋🏼 Questions: [Layer5 Discussion Forum](https://discuss.layer5.io) and [Layer5 Community Slack](http://slack.layer5.io)
+- 🙋🏾🙋🏼 Questions: [Discussion Forum](https://meshery.io/community#discussion-forums) and [Community Slack](http://slack.meshery5.io)

.github/ISSUE_TEMPLATE/documentation.md

@@ -19,4 +19,4 @@ assignees: ''
    - Meshery documentation [site](https://docs.meshery.io/) and [source](https://github.com/meshery/meshery/tree/master/docs)
 - 🛠 [Meshery Build & Release Strategy](https://docs.meshery.io/project/build-and-release)
 - 🎨 Wireframes and [designs for Meshery UI](https://www.figma.com/file/SMP3zxOjZztdOLtgN4dS2W/Meshery-UI) in Figma [(open invite)](https://www.figma.com/team_invite/redeem/qJy1c95qirjgWQODApilR9)
-- 🙋🏾🙋🏼 Questions: [Layer5 Discussion Forum](https://discuss.layer5.io) and [Layer5 Community Slack](http://slack.layer5.io)
+- 🙋🏾🙋🏼 Questions: [Discussion Forum](https://meshery.io/community#discussion-forums) and [Community Slack](http://slack.meshery5.io)

.github/ISSUE_TEMPLATE/feature_request.md

@@ -29,4 +29,4 @@ assignees: ''
 - 📚 [Instructions for contributing to documentation](https://github.com/meshery/meshery/blob/master/CONTRIBUTING.md#documentation-contribution-flow)
    - Meshery documentation [site](https://docs.meshery.io/) and [source](https://github.com/meshery/meshery/tree/master/docs)
 - 🎨 Wireframes and [designs for Meshery UI](https://www.figma.com/file/SMP3zxOjZztdOLtgN4dS2W/Meshery-UI) in Figma [(open invite)](https://www.figma.com/team_invite/redeem/qJy1c95qirjgWQODApilR9)
-- 🙋🏾🙋🏼 Questions: [Layer5 Discussion Forum](https://discuss.layer5.io) and [Layer5 Community Slack](http://slack.layer5.io)
+- 🙋🏾🙋🏼 Questions: [Discussion Forum](https://meshery.io/community#discussion-forums) and [Community Slack](http://slack.meshery5.io)