Update variables_file.rst

nullHawk · web-flow · commit 2e14e99ee9a0 · 2024-01-16T17:01:08.000+05:30
Added _filesize variable as mentioned in "metabrainz/picard#2361"
diff --git a/variables/variables_file.rst b/variables/variables_file.rst
@@ -57,3 +57,6 @@ These variables are populated from information found in the audio files themselv
 **_sample_rate**
 
     Number of digitizing samples per second (Hz).
+**_filesize**
+
+   Size of the file in Bytes.
