Added poster for 5th Kyu videos

DieJudoGürtelprüfung/Makefile

@@ -68,6 +68,10 @@ directoryStructure:
 	mkdir -p videos/5terKyu/NeWaza
 	mkdir -p videos/5terKyu/Randori
 
+# Some of the meta data gets copied during rencode so we search for all webmVideos and delete the meta data
+.PHONY: clearVideoMetaData
+	find -name *.webm -exec ffmpeg -i {} -map_metadata -1 -c:v copy -c:a copy temp.webm \; -exec mv -f temp.webm {} \;
+
 .PHONY: clean
 clean:
 	rm kyu6.html