update README.md

update README.md

added blockly.games and ohmygit.org from kbulygin

added blockly.games and ohmygit.org

added example bit operation

add info printf scanf

update how_compile_and_run_program.md

Add how_compile_and_run_program.md

update README.md

Запрос на слияние 'fix/сorrection-of-links-to-gitverse-documentation' (#2) из fix/сorrection-of-links-to-gitverse-documentation в master

The correct link to 'Запросы на слияние' in CONTRIBUTING.md has been inserted

Запрос на слияние 'fix/add-another-C-language-course' (#1) из fix/add-another-C-language-course в master

add link to C/C++ course in materials

update CONTRIBUTING.md

change network_protocols.mp4 to .gif

info++

info++

Added materials\network_protocols.mp4

Added example, examples/helloworld.c