Add Slack app manifest

CONTRIBUTING.md

@@ -193,9 +193,7 @@ To setup NestBot development environment, follow these steps:
       ```
 
 1. **Set up Slack slash commands**:
-    - Add the slash commands (`/contribute`, `/gsoc`, `/owasp`) to your Slack application in `Features -- Slash Commands` section using `http://<your-static-domain>/integrations/slack/events/` as the `Request URL`.
-    - Configure event subscriptions in `Features -- Event Subscriptions` section to use your `http://<your-static-domain>/integrations/slack/events/` URL.
-    Make sure `member_joined_channel` and `team_join` events are included for bot events.
+    - Configure your Slack application using [NestBot manifest file](https://github.com/OWASP/Nest/blob/main/backend/apps/slack/MANIFEST.yaml) (copy its contents and save it into`Settings -- App Manifest`)
     - Reinstall your Slack application after making the changes in `Features -- OAuth & Permissions` section.
 
 ## Code Quality Checks

backend/apps/slack/MANIFEST.yaml

@@ -0,0 +1,76 @@
+display_information:
+  name: OWASP Nest
+  description: Your gateway to OWASP
+  background_color: "#293559"
+features:
+  app_home:
+    home_tab_enabled: true
+    messages_tab_enabled: false
+    messages_tab_read_only_enabled: false
+  bot_user:
+    display_name: NestBot
+    always_online: true
+  slash_commands:
+    - command: /contribute
+      url: https://nest.owasp.dev/integrations/slack/events/
+      description: contributor's guide
+      usage_hint: --start
+      should_escape: false
+    - command: /projects
+      url: https://nest.owasp.dev/integrations/slack/events/
+      description: project directory
+      usage_hint: <search query>
+      should_escape: false
+    - command: /owasp
+      url: https://nest.owasp.dev/integrations/slack/events/
+      description: your gateway to OWASP
+      usage_hint: --help
+      should_escape: false
+    - command: /gsoc
+      url: https://nest.owasp.dev/integrations/slack/events/
+      description: get started with GSoC program
+      usage_hint: --start
+      should_escape: false
+    - command: /chapters
+      url: https://nest.owasp.dev/integrations/slack/events/
+      description: chapters
+      usage_hint: --help
+      should_escape: false
+    - command: /leaders
+      url: https://nest.owasp.dev/integrations/slack/events/
+      description: chapter and project leaders
+      usage_hint: <name/project>
+      should_escape: false
+    - command: /committees
+      url: https://nest.owasp.dev/integrations/slack/events/
+      description: committees
+      usage_hint: <name>
+      should_escape: false
+oauth_config:
+  scopes:
+    bot:
+      - channels:read
+      - chat:write
+      - commands
+      - groups:read
+      - im:history
+      - im:read
+      - im:write
+      - mpim:read
+      - mpim:write
+      - users:read
+      - groups:write
+      - channels:manage
+settings:
+  event_subscriptions:
+    request_url: https://nest.owasp.dev/integrations/slack/events/
+    bot_events:
+      - app_home_opened
+      - member_joined_channel
+      - team_join
+  interactivity:
+    is_enabled: true
+    request_url: https://nest.owasp.dev/integrations/slack/events/
+  org_deploy_enabled: false
+  socket_mode_enabled: false
+  token_rotation_enabled: false