documentation：Add tvOS page

docs/installation/clients/sft.md

@@ -0,0 +1,29 @@
+# SFT
+
+Experimental Apple tvOS client for sing-box.
+
+#### Requirements
+
+* tvOS 17.0+
+
+#### Download
+
+* [TestFlight](https://testflight.apple.com/join/AcqO44FH)
+
+#### Features
+
+Full functionality, except for:
+
+* Only remote configuration files can be created manually
+* You need to update SFI to the latest beta version to import profiles from iPhone/iPad
+* No iCloud profile support
+
+#### Note
+
+* User Agent in remote profile request is `SFT/$version ($version_code; sing-box $sing_box_version)`
+* Crash logs is located in `Settings` -> `View Service Log`
+
+#### Privacy policy
+
+* SFT did not collect or share personal data.
+* The data generated by the software is always on your device.

mkdocs.yml

@@ -45,6 +45,7 @@ nav:
           - Specification: installation/clients/specification.md
           - iOS: installation/clients/sfi.md
           - macOS: installation/clients/sfm.md
+          - Apple tvOS: installation/clients/sft.md
           - Android: installation/clients/sfa.md
   - Configuration:
       - configuration/index.md