Cppcheck[1] is integrated into CI pipeline for running static analysis.
However, Cppcheck is known to report false-positive, and we have to
suppress some warnings in advance.
[1] https://cppcheck.sourceforge.io/
In rendered HTML, the line number should be right aligned, and
code should be left aligned accordingly.
In addition, this patch added the basic build instructions, so that
someone can generated the PDF and HTML files.
Close#44