Add model, wav files and annotations

tutorial/assets/data/.~lock.annotations_3s.csv#

+,fsfrazao,ff-meridian,14.11.2019 14:47,file:///home/fsfrazao/.config/libreoffice/4;
\ No newline at end of file

tutorial/assets/data/annotations_30min.csv

+filename,timestamp 
+15653951.WAV,870.504
+15653951.WAV,913.295
+15653951.WAV,969.021
+15653951.WAV,1002.46
+15653951.WAV,1022.432
+15653951.WAV,1082.304
+15653951.WAV,1098.727
+15653951.WAV,1113.589
+15653951.WAV,1131.041
+15653951.WAV,1156.156
+15653951.WAV,1165.508
+15653951.WAV,1186.67
+15653951.WAV,1204.007
+15653951.WAV,1241.11
+15653951.WAV,1264.618
+15653951.WAV,1289.622
+15653951.WAV,1356.996
+15653951.WAV,1373.933
+15653951.WAV,1407.758
+15653951.WAV,1446.546
+15653951.WAV,1492.776
+15653951.WAV,1504.553
+15653951.WAV,1518.534
+15653951.WAV,1550.912
+15653951.WAV,1590.568
+15653951.WAV,1627.414
+15653951.WAV,1690.724
+15653951.WAV,1734.094
+15653951.WAV,1760.43
+15653951.WAV,1791.097
+