chore: adopt shared SDK PR template and auto-request sdk-team reviews

- Replace PR template with the shared SDK template
- Add workflow to request review from @Iterable/sdk-team on new PRs

Author: joaodordio

.github/pull_request_template.md

@@ -1,7 +1,19 @@
-## 🔹 JIRA Ticket(s) if any
+# 📝 Summary
+> _This should be a 150 characters summary of the changes on this PR_
 
-* [MOB-XXXX](https://iterable.atlassian.net/browse/MOB-XXXX)
+###### 🎟️ Jira Ticket: [SDK-XXXX](https://iterable.atlassian.net/browse/SDK-XXXX)
 
-## ✏️ Description
+## 📖 Description
+> Please provide a description of what this pull request does.
 
-> Please provide a brief description of what this pull request does.
+## 🧪 How to test?
+> How to test the changes added?
+
+## 📹 Loom recording if applicable
+> If it helps the reviewer, add a short Loom going over the changes or showcasing the change in behavior.
+
+#### 🐞 Github Issues solved
+> If this solves any open GH Issues, please link them here.
+
+#### 📚 Docs PR if applicable
+> Open a PR on the [Docs Repo](https://github.com/Iterable/iterable-docs) documenting the changes.

.github/workflows/assign-reviewers.yml

@@ -0,0 +1,27 @@
+name: Assign SDK Team Reviewers
+
+on:
+  pull_request:
+    types: [opened, ready_for_review]
+
+permissions:
+  pull-requests: write
+
+jobs:
+  assign-reviewers:
+    if: github.event.pull_request.draft == false
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@v7
+        with:
+          script: |
+            try {
+              await github.rest.pulls.requestReviewers({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                pull_number: context.payload.pull_request.number,
+                team_reviewers: ['sdk-team'],
+              });
+            } catch (error) {
+              core.warning(`Failed to request sdk-team review: ${error.message}`);
+            }