feat: add code of conduct (#1541)

Author: crazywoola

Diff for: .github/CODE_OF_CONDUCT.md

@@ -0,0 +1,43 @@
+# Dify Code of Conduct
+
+## Our Pledge
+
+We as members, contributors, and leaders pledge to make participation in our
+community a harassment-free experience for everyone, regardless of age, body
+size, visible or invisible disability, ethnicity, sex characteristics, gender
+identity and expression, level of experience, education, socio-economic status,
+nationality, personal appearance, race, caste, color, religion, or sexual identity
+and orientation.
+
+We pledge to act and interact in ways that contribute to an open, welcoming,
+diverse, inclusive, and healthy community.
+
+## Our Standards
+
+Examples of behavior that contributes to a positive environment for our
+community include:
+
+* Demonstrating empathy and kindness toward other people
+* Being respectful of differing opinions, viewpoints, and experiences
+* Giving and gracefully accepting constructive feedback
+* Accepting responsibility and apologizing to those affected by our mistakes,
+  and learning from the experience
+* Focusing on what is best not just for us as individuals, but for the
+  overall community
+
+Examples of unacceptable behavior include:
+
+* The use of sexualized language or imagery, and sexual attention or
+  advances of any kind
+* Trolling, insulting or derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or email
+  address, without their explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Language Policy
+
+To facilitate clear and effective communication, all discussions, comments, documentation, and pull requests in this project should be conducted in English. This ensures that all contributors can participate and collaborate effectively.
+
+

Diff for: .github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,5 +1,5 @@
 name: "🕷️ Bug report"
-description: Report errors or unexpected behavior
+description: Report errors or unexpected behavior [please use English :）]
 labels:
 - bug
 body:

Diff for: .github/ISSUE_TEMPLATE/document_issue.yml

@@ -1,5 +1,5 @@
 name: "📚 Documentation Issue"
-description: Report issues in our documentation
+description: Report issues in our documentation [please use English :）]
 labels: 
 - ducumentation
 body:

Diff for: .github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,5 +1,5 @@
 name: "⭐ Feature or enhancement request"
-description: Propose something new.
+description: Propose something new. [please use English :）]
 labels:
 - enhancement
 body:

Diff for: .github/ISSUE_TEMPLATE/help_wanted.yml

@@ -1,5 +1,5 @@
 name: "🤝 Help Wanted"
-description: "Request help from the community"
+description: "Request help from the community" [please use English :）]
 labels:
 - help-wanted
 body:

Diff for: .github/ISSUE_TEMPLATE/translation_issue.yml

@@ -1,5 +1,5 @@
 name: "🌐 Localization/Translation issue"
-description: Report incorrect translations.
+description: Report incorrect translations. [please use English :）]
 labels:
 - translation
 body: