add dist and test shrapnel to gitignore
add dist and test shrapnel to gitignore

autopulated/yotta,BlackstoneEngineering/yotta,ntoll/yotta,ARMmbed/yotta,ntoll/yotta,autopulated/yotta,bridadan/yotta,eyeye/yotta,theotherjimmy/yotta,iriark01/yotta,eyeye/yotta,stevenewey/yotta,iriark01/yotta,stevenewey/yotta,BlackstoneEngineering/yotta,bridadan/yotta,ARMmbed/yotta,theotherjimmy/yotta