[修改] 增加freeRTOS

1. 版本FreeRTOSv202212.01，命名为kernel；

kernel/FreeRTOS-Plus/Source/coreJSON/MISRA.md

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+# MISRA Compliance
+
+The coreJSON library files conform to the [MISRA C:2012](https://www.misra.org.uk)
+guidelines, with some noted exceptions. Compliance is checked with Coverity static analysis.
+The specific deviations, suppressed inline, are listed below.
+
+Additionally, [MISRA configuration file](https://github.com/FreeRTOS/coreJSON/blob/main/tools/coverity/misra.config) contains the project wide deviations.
+
+### Suppressed with Coverity Comments
+To find the violation references in the source files run grep on the source code
+with ( Assuming rule 11.3 violation; with justification in point 1 ):
+```
+grep 'MISRA Ref 11.3.1' . -rI
+```
+
+#### Rule 11.3
+_Ref 11.3.1_
+
+- MISRA C-2012 Rule 11.3 prohibits casting a pointer to a different type.
+        This instance is a false positive, as the rule permits the
+        addition of a const type qualifier.
+
+#### Rule 14.3
+_Ref 14.3.1_
+
+- MISRA C-2012 Rule 14.3 False positive as the static analysis tool believes
+        i can never be larger than SIZE_MAX - HEX_ESCAPE_LENGTH. This can be proven as
+        a bug by setting i to be 18446744073709551615UL at initial assignment, then require
+        start != NULL before assigning the vaue of i to start. This creates a case
+        where i should be large enough to hit the else statement, but the tool still flags
+        this as invariant.