Add code style check shell script and style option description

code-check/code-style-check.md

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+# Code Style Check for kubernetes-client/c
+
+## Parameter List of GNU Indent
+
+### In command
+
+```shell
+indent -npro -nbad -nip -lp -npsl -npcs -i4 -ts4 -sob -br -ce -nut -bap -nbc -bbo -brs -cs -nfc1 -nfca -hnl -ip0 -nprs -saf -sai -saw -ci4 -cli0 -l200
+```
+
+### Detail Description
+
+| Option | Description |
+|:-------| :-----------|
+|-npro   | Do not read ‘.indent.pro’ files.            |
+|-nbad   | Do not force blank lines after declarations. |
+|-nip    | Zero width indentation for parameters.           |
+|-lp    | Line up continued lines at parentheses.            |
+|-npsl   | Put the type of a procedure on the same line as its name.            |
+|-npcs   | Do not put space after the function in function calls. |
+|-i4     | Set indentation level to 4 spaces.           |
+|-ts4    | Set tab size to 4 spaces.            |
+|-sob    | Swallow optional blank lines.            |
+|-br     | Put braces on line with if, etc.            |
+|-ce     | Cuddle else and preceding ‘}’.            |
+|-nut    | Use spaces instead of tabs. |
+|-bap    | Force blank lines after procedure bodies.|
+|-nbc    | Do not force newlines after commas in declarations.|
+|-bbo    | Prefer to break long lines before boolean operators.|
+|-brs    | Put braces on struct declaration line.|
+|-cs     | Put a space after a cast operator.|
+|-nfc1   | Do not format comments in the first column as normal.|
+|-nfca   | Do not format any comments.|
+|-hnl    | Prefer to break long lines at the position of newlines in the input.|
+|-ip0    | Indent parameter types in old-style function definitions by 0 spaces.|
+|-nprs   | Do not put a space after every '(' and before every ')'. |
+|-saf    | Put a space after each for.   |
+|-sai    | Put a space after each if. |
+|-saw    | Put a space after each while. |
+|-ci4    | Continuation indent of 4 spaces.|
+|-cli0   | Case label indent of 0 spaces.|
+|-l200   | Set maximum line length for non-comment lines to 200.|
+
+## Reference
+
+[GNU Indent Document](https://www.gnu.org/software/indent/manual/indent.html)

code-check/code-style-check.sh

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+# Usage: 
+# sh ./code-style-check.sh ${c_source_file_name}
+
+indent -npro -nbad -nip -lp -npsl -npcs -i4 -ts4 -sob -br -ce -nut -bap -nbc -bbo -brs -cs -nfc1 -nfca -hnl -ip0 -nprs -saf -sai -saw -ci4 -cli0 -l200 $*
+
+echo "$*" "is the new generated source file"
+echo "$*~" "is the original source file"
+