Add fuzzing target function for 'bundle' project

Currently it only tests 'bundle_decode' function.

Added files:
  * targets/bundle/build.sh - build script for target function
  * targets/bundle/bundle-fuzz.cpp - target function implementation

Separate RIFF format LIST tag from its type tags in riff.dict

LIST tag should be separated from its type tag by 4-byte field with size of
the chunk instead of the underscore character.[1]

Reference links:
  1. Section 5.6.2 in http://www.cipa.jp/std/documents/e/DC-008-2012_E.pdf

Add ITRK LIST INFO tag to RIFF dictionary

Obscure tag that is not listed in any specification but it is used by many media
players according to this: http://wiki.audacityteam.org/wiki/WAV#Metadata

Add script for dictionaries generation from Chromium project

Source:   https://chromium.googlesource.com/chromium/src/testing/libfuzzer/
Revision: d692c67ad73629ac35e1623048218f36fb4bb680

Add dictionaries from Chromium project

Reference link:
  https://chromium.googlesource.com/chromium/src/testing/libfuzzer/+/master/fuzzers/dicts

Add dictionary for RIFF format

Reference links:
  1. https://en.wikipedia.org/wiki/Resource_Interchange_File_Format
  2. https://en.wikipedia.org/wiki/WAV
  3. https://en.wikipedia.org/wiki/Broadcast_Wave_Format

Initial commit

Initial empty repository