ops(dspy): Adding pull request template

Author: piotrlaczkowski

.github/PULL_REQUEST_TEMPLATE/pull_request_template.md

@@ -0,0 +1,14 @@
+## 📝 Changes Description
+
+This MR/PR contains the following changes:
+...
+
+## ✅ Contributor Checklist
+
+- [] Pre-Commit checks are passing (locally and remotely)
+- [] Title of your PR / MR corresponds to the required format
+- [] Commit message follows required format {label}(dspy): {message}
+
+## ⚠️ Warnings
+
+Anything we should be aware of ?