chore: add local project files

Update INSTALL_AND_USAGE.md

Update tab/window title

Update README.md

Update README.md

docs: add thumbnail for full course

docs: add thumbnail for episode 5

docs: Add lesson 6 diagram

docs: Add lesson 6 diagram

docs: Add lesson 6 diagram

docs: Add diagram module 5

docs: Add diagram module %

docs: Add diagram module %

Update README.md

Update INSTALL_AND_USAGE.md