Merge pull request #38 from lammps/master

.github/CODEOWNERS

cmake/CMakeLists.txt

cmake/README.md

doc/Makefile

doc/github-development-workflow.md

doc/src/Build_extras.txt

doc/src/Build_package.txt

doc/src/Commands_fix.txt

doc/src/Commands_pair.txt

doc/src/Eqs/pair_lebedeva.png

doc/src/Errors_common.txt

doc/src/Install_linux.txt

doc/src/Install_windows.txt

doc/src/Intro_nonfeatures.txt

doc/src/Manual.txt

doc/src/Manual_build.txt

doc/src/Modify_contribute.txt

doc/src/Packages_details.txt

doc/src/Packages_standard.txt

doc/src/Packages_user.txt