- Added missing inline literals (double backticks) to any reference of symbol
names and macros
- Added language specifier to "code-block" directives to enable syntax
highlighting when rendered.
"code_of_conduct.rst" and "contributors.rst" both contain RST include
directives, but their file types are symoblic links. This commit turns them
into proper files.
There were typos in symlinks target names resulting in following
warrning on checkout (at least in Mynewt newt tool):
* Warning: stat mynewt/repos/tinyusb/docs/contributing/code_of_conduct.rst: no such file or directory
* Warning: stat mynewt/repos/tinyusb/docs/info/contributors.rst: no such file or directory
