update discussion template (#6544)

.github/DISCUSSION_TEMPLATE/general.yml

@@ -0,0 +1,25 @@
+name: "General Discussion"
+description: "General discussion about the project."
+body:
+  - type: checkboxes
+    attributes:
+      label: Self Checks
+      description: "To make sure we get to you in time, please check the following :)"
+      options:
+        - label: I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones.
+          required: true
+        - label: I confirm that I am using English to submit this report (我已阅读并同意 [Language Policy](https://github.com/langgenius/dify/issues/1542)).
+          required: true
+        - label: "请务必使用英文提交 Issue，否则会被关闭。谢谢！:）"
+          required: true
+        - label: "Please do not modify this template :) and fill in all the required fields."
+          required: true
+  - type: textarea
+    attributes:
+      label: Content
+      placeholder: Please describe the content you would like to discuss.
+    validations:
+      required: true
+  - type: markdown
+    attributes:
+      value: Please limit one request per issue.