[IMP] hardware: MIC IN Fixes

[IMP] hardware: PCM5102AQ1 fixes * Remove +3.3 from LDOO caps * Wire XSMT & FMT back to +3.3 * Rewire feedback pin of +5v switching regulator

[IMP] LICENSE/README * Disallow commercial use of board in license * Update README

[IMP] firmware: BlueBus Rev A Updates * Update pin mappings to match new board layout

[IMP] hardware: BlueBus Rev A * Improve Silkscreen * Rewire a couple of nets to reduce via count * Move passives into better alignment

[IMP] hardware: BlueBus Rev A * Improve Silkscreen * Rewire a couple of nets to reduce via count * Move passives into better alignment

[IMP] hardware: BlueBus Rev A * Remove TPA6017A2 in favor of PCM5102A Line Level DAC which will fix quality issues * Completely new layout of board and schematic * Update Silkscreen to use vector fonts of consistent sizes * Resize board to 45mm x 70mm from 55mm x 90mm * Update design of transient filter to prevent voltage drops at boot * Add DSP Output SMB connector * Add circuit for mono microphone input * Add 1.5A Littleblock Fuse to prevent over-current * Miter board corners for rounded look

[FIX] hardware: BlueBus v7 * Update Silkscreen for Speaker outputs * Rewire Speaker negative outputs to support single ended operation without overheating * Place 10uF cap for TPA6017A2 near input of 5v so all VDDs can benefit from it * Connect TPA6017A2 N/C pin to GND * Move TPA6017A2 gain resistor * Rewire transient filter for BC127 on the 3.3v rail per application note * Update placement of several passives for alignment * Update passive names to move from bottom right to left, to top right to left * Update Silkscreen with GitHub address

[FIX] firmware_application: Minor Fixes * Fix IO Mappings for EEPROM * Pull up BT Reset pin on boot to ensure no ambiguity * Resize Application Space to start at 0x1000 * Update code to set RPOR Modes via MSB/LSB

Backlink to CADLAB.io has been added.