revert to absolut URLs, otherwise links are not working in generated web

page, related to https://github.com/Kozea/Radicale/issues/1906

DOCUMENTATION.md

@@ -2,7 +2,7 @@
 
 ## Translations of this page
 
-* [Telugu](docs/DOCUMENTATION.te.md)
+* [Telugu](https://github.com/Kozea/Radicale/blob/master/docs/DOCUMENTATION.te.md)
 
 ## Getting started
 

docs/DOCUMENTATION.te.md

@@ -1,6 +1,6 @@
 > Last updated: 2025-10-20 by [@gowtham1412-p](https://github.com/gowtham1412-p)
 
-> Based on commit: [4fdc78760914040d5f74ece8978013b8836a712e] of [DOCUMENTATION.md](../DOCUMENTATION.md)
+> Based on commit: [4fdc78760914040d5f74ece8978013b8836a712e] of [DOCUMENTATION.md](https://github.com/Kozea/Radicale/blob/master/DOCUMENTATION.md)
 
 \# డాక్యుమెంటేషన్