update slack.yml

Signed-off-by: Pranav Singh <pranavsingh02@hotmail.com>

Author: theBeginner86

.github/workflows/slack.yml

@@ -1,16 +1,31 @@
-name: Slack Notify on Star
-on: watch
+name: Slack Notify
+on: 
+  watch:
+  issues:
+      types: [labeled]
 jobs:
   star-notify:
+    if: github.event_name == 'watch'
     name: Notify Slack on star
     runs-on: ubuntu-latest
     steps:
     - name: Get current star count
       run: |
-        echo ::set-env name=STARS::$(curl --silent 'https://api.github.com/repos/layer5io/wasm-filters' -H 'Accept: application/vnd.github.preview' | jq '.watchers_count')
+        echo "STARS=$(curl --silent 'https://api.github.com/repos/${{github.repository}}' -H 'Accept: application/vnd.github.preview' | jq '.stargazers_count')" >> $GITHUB_ENV
     - name: Notify slack
       env:
         SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
       uses: pullreminders/slack-action@master
       with:
-        args: '{\"channel\":\"CSK7N9TGX\",\"text\":\"Someone just starred WASM Filters! (https://github.com/layer5io/wasm-filters/stargazers) Total ⭐️: ${{env.STARS}}\"}'
+        args: '{\"channel\":\"CSK7N9TGX\",\"text\":\"${{ github.actor }} just starred ${{github.repository}}! (https://github.com/${{github.repository}}/stargazers) Total ⭐️: ${{env.STARS}}\"}'
+  good-first-issue-notify:
+    if:  github.event_name == 'issues' && github.event.label.name == 'good first issue' || github.event.label.name == 'first-timers-only' 
+    name: Notify Slack for new good-first-issue
+    runs-on: ubuntu-latest
+    steps:
+      - name: Notify slack
+        env:
+          SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
+        uses: pullreminders/slack-action@master
+        with:
+          args: '{\"channel\":\"C019426UBNY\",\"text\":\"A good first issue label was just added to ${{github.event.issue.html_url}}.\"}'