Complete Chinese Translation

This issue contains the description of the entire Chinese translation and the description of the pull request.

The following is the list to be translated. If there is any omission, please supplement

• 03_hacky_hello_world
• 04_safe_globals
• 05_drivers_gpio_uart
• 06_uart_chainloader
• 07_timestamps
• 08_hw_debug_JTAG
• 09_privilege_level
• 10_virtual_mem_part1_identity_mapping
• 11_exceptions_part1_groundwork
• 12_integrated_testing
• 13_exceptions_part2_peripheral_IRQs
• 14_virtual_mem_part2_mmio_remap
• 15_virtual_mem_part3_precomputed_tables
• 16_virtual_mem_part4_higher_half_kernel
• 17_kernel_symbols
• 18_backtrace
• 19_kernel_heap