feat: SafeLine CE 9.3.9 with pro features

- Remove telemetry: disabled all phone-home (installation notify, false positives, behavior tracking, upgrade tips)
- Version branding: removed 'ce-' prefix, product name changed to '长亭雷池 WAF'
- Detection engine enhancement: strict preset enables all 17 modules with aggressive configs
- Multi-user RBAC: admin/operator/viewer roles with password + TOTP 2FA
- Rate limiting: nginx limit_req per website (RPS, burst, action)
- JS Challenge: browser fingerprint verification page with cookie-based bypass
- Security fixes: removed InsecureSkipVerify, hardcoded credentials, NO_AUTH backdoor

.github/ISSUE_TEMPLATE/feature-request.yaml

@@ -0,0 +1,28 @@
+name: Suggestion
+# Feature request
+description: New feature or improvements.
+title: "[Suggestion] "
+
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Please search the [open issues](https://github.com/chaitin/SafeLine/issues) and [discussion](https://github.com/chaitin/SafeLine/discussions) for duplicate issue first.
+        Please rise only one suggestion in an issue.
+  - type: textarea
+    id: solution
+    attributes:
+      label: What would you like to be added or improved?
+      # Describe the solution you'd like
+      # placeholder: |
+      #
+  - type: textarea
+    id: problem
+    attributes:
+      label: Why is it needed?
+      # Background and the specific problem that frustrates you
+      placeholder: |
+        Background and the problem that frustrates you
+
+    validations:
+      required: true