feat: add a new pr template for publish package

Signed-off-by: zongz <[email protected]>

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,20 @@
+<!-- Thank you for contributing to KCL!
+
+Note: 
+
+With pull requests:
+
+    - Open your pull request against "main"
+    - Your pull request should have no more than two commits, if not you should squash them.
+-->
+
+#### 1. Please confirm that you have read the document before PR submitted
+
+- [ ] Yes, I have read [THIS NOTE DOC.](https://github.com/kcl-lang/modules/blob/main/README.md) 
+
+#### 2. Contact Information(Optional)
+
+If it is convenient, please provide your contact information so we can reach you when processing the PR:
+
+- **Email**:
+- **HomePage**: