add link to photobleaching/blinking stats file

Author: mca-sh

docs/trace-processing/components/panel-photobleaching.md

@@ -112,7 +112,7 @@ $$
 
 A state diagram summarizing blinking kinetics is drawn in **(g)**.
 
-Press ![Export](../../assets/images/gui/TP-but-export.png) to save statistics for emitter selected in **(a)** to a .txt file.
+Press ![Export](../../assets/images/gui/TP-but-export.png) to save statistics for emitter selected in **(a)** to a [.txt file](../../output-files/txt-photobleaching-blinking-stats.html).
 
 
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