Add Slack actions plugin to microsite

Signed-off-by: Drew Hill <mdude2314@gmail.com>

docs/features/software-templates/writing-custom-actions.md

@@ -207,5 +207,8 @@ scaffolder backend:
 | Azure Pipeline Actions   | [scaffolder-backend-module-azure-pipelines](https://www.npmjs.com/package/@parfuemerie-douglas/scaffolder-backend-module-azure-pipelines)       | [Parfümerie Douglas](https://github.com/Parfuemerie-Douglas) |
 | Azure Repository Actions | [scaffolder-backend-module-azure-repositories](https://www.npmjs.com/package/@parfuemerie-douglas/scaffolder-backend-module-azure-repositories) | [Parfümerie Douglas](https://github.com/Parfuemerie-Douglas) |
 | Snyk Import Project      | [plugin-scaffolder-backend-module-snyk](https://www.npmjs.com/package/@ma11hewthomas/plugin-scaffolder-backend-module-snyk)                     | [Matthew Thomas](https://github.com/Ma11hewThomas)           |
+| JSON Merge Actions       | [plugin-scaffolder-json-merge-actions](https://www.npmjs.com/package/@mdude2314/backstage-plugin-scaffolder-json-merge-actions)                 | [Drew Hill](https://github.com/arhill05)                     |
+| NPM Actions              | [plugin-scaffolder-npm-actions](https://www.npmjs.com/package/@mdude2314/backstage-plugin-scaffolder-npm-actions)                               | [Drew Hill](https://github.com/arhill05)                     |
+| Slack Actions            | [plugin-scaffolder-backend-module-slack](https://www.npmjs.com/package/@mdude2314/backstage-plugin-scaffolder-backend-module-slack)             | [Drew Hill](https://github.com/arhill05)                     |
 
 Have fun! 🚀

microsite/data/plugins/scaffolder-backend-slack.yaml

@@ -0,0 +1,10 @@
+---
+title: Slack Scaffolder Actions
+author: Drew Hill
+authorUrl: https://github.com/arhill05
+category: Scaffolder
+description: Interact with Slack from scaffolder templates
+documentation: https://github.com/arhill05/backstage-plugin-scaffolder-backend-module-slack#readme
+iconUrl: img/Slack-mark-RGB.png
+npmPackageName: '@mdude2314/backstage-plugin-scaffolder-backend-module-slack'
+addedDate: '2023-08-04'