add issue and pr template (#79)

.github/ISSUE_TEMPLATE/documentation.yaml

@@ -0,0 +1,35 @@
+name: 📄 Documentation Issue
+description: File an issue/update related to documentation
+title: "[Docs]: "
+labels: ["documentation"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to point out documentation issues for spring cloud alibaba!
+  - type: textarea
+    id: "current-state"
+    attributes:
+      label: Current State
+      description: Current state of the documentation page with possible links and screenshots
+      placeholder: The "What is Spring Cloud Alibaba" page does not fully explain...
+      value: |
+        **Description of the current issue**:
+
+        **Link to the page, allows developers to better identify problems**:
+
+        **Screenshots (if relevant)**:
+  - type: textarea
+    id: "desired-state"
+    attributes:
+      label: Desired State
+      description: How should the docs look like instead?
+      placeholder: The page should instead explain...
+      value: |
+        **Description of the change you are proposing**:
+  - type: dropdown
+    id: "is-working"
+    attributes:
+      label: Would you like to fix this issue?
+      description: You can choose to fix this documentation issue yourself or have another contributor in the community fix it.
+      options: ["Yes! Please assign to me!", "No. Please assign another contributor"]

.github/ISSUE_TEMPLATE/website.yaml

@@ -0,0 +1,34 @@
+name: 🖥 Website Issue
+description: File an issue to update the website
+title: "[Site]: "
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for taking the time to raise questions and update the spring cloud alibaba official website!
+  - type: textarea
+    id: "current-state"
+    attributes:
+      label: Current State
+      description: Current state of the website with possible links and screenshots
+      placeholder: Some of the semantics in the page are unclear...
+      value: |
+        **Description of the current state**:
+
+        **Link to the wensite page, allow developers to better understand the problem**:
+
+        **Screenshots (if relevant)**:
+  - type: textarea
+    id: "desired-state"
+    attributes:
+      label: Desired State
+      description: How should the site look like instead?
+      placeholder: A more reasonable explanation for the relevant entries should be...
+      value: |
+        **Description of the change you are proposing**:
+  - type: dropdown
+    id: "is-working"
+    attributes:
+      label: Would you like to fix this issue?
+      description: You can choose to fix this issue yourself or let other contributors in the community fix it.
+      options: ["Yes! Please assign to me!", "No. Please assign another contributor"]

.github/pull_request_template.md

@@ -0,0 +1,9 @@
+Fixes: #[Add issue number here]
+
+Changes:
+
+<!-- Add here what changes were made in this pull request and if possible provide links showcasing the changes. -->
+
+Screenshots of the change:
+
+<!-- Add screenshots depicting the changes. -->