Adds text files with known audio, video and subtitle formats

src/main/resources/audio_formats.txt

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+39
+3gp
+aa
+aac
+aax
+act
+aiff
+amr
+ape
+au
+awb
+dct
+dss
+dvf
+flac
+gsm
+iklax
+ivs
+m4a
+m4b
+m4p
+mmf
+mp3
+mpc
+msv
+ogg
+oga
+mogg
+opus
+ra
+rm
+raw
+sln
+tta
+vox
+wav
+wma
+wv
+webm
+8svx

src/main/resources/subtitle_formats.txt

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+4
+idx
+sub
+srt
+ass

src/main/resources/video_formats.txt

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+31
+avi
+mpg
+mpeg
+mkv
+wmv
+flv
+webm
+3gp
+rmvb
+3gpp
+mts
+m4v
+mov
+rm
+asf
+mp4
+vob
+ogv
+drc
+qt
+yuv
+asm
+m4p
+mp2
+mpe
+mpv
+m2v
+svi
+3g2
+roq
+nsv