added lib for accel and schematic for accel
added lib file containing symbol for ADXL343 and 1778-PIM456-ND added schematic with symbol ADXL343, symbol PIM456, I2C pullups&shift and power supply for ADXL343
added lib file containing symbol for ADXL343 and 1778-PIM456-ND added schematic with symbol ADXL343, symbol PIM456, I2C pullups&shift and power supply for ADXL343