Changes

* 1. # Sinking the side where the Micro HDMI and TYPE-C sockets are located, solving the problem that some TYPE-C power sockets or Micro HDMI sockets can't be fully inserted (thanks to the feedback from our customers).* 2. # The notch in the TF card slot area has been optimized to make it easier for users to insert or pull out the TF card.* 3. # We have customised the translucent black keypad with keycaps and light guides to make it easier for users to use the Pi 5's onboard switches;* 4. # We have customized the U-shaped copper plate for Raspberry Pi 5, which is used to efficiently transfer heat from the CPU to the case body, solving the problem of Raspberry Pi 5's huge heat generation;