Add os_log.h (Log methods). Change assert. Remove MAX_NUM_TASK in config.

Update README.md

Update os_mem.c. Fixed bug

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Merge branch 'main' of https://github.com/snoopy3921/AK-mOS---The-simple-RTOS-on-AK-base-kit

Add type to timer structure, add API to change period.

Update os_task.c - Correct state update

Update os_msg.c - Kernel update

Update README.md

Update README.md

Update os_timer.c

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Update README.md