Add working tiling, log view

Cargo.lock

Cargo.toml

docs/gui.md

src/config.rs

src/db.rs

src/gui/menus.rs

src/gui/mod.rs

src/gui/widgets/about.rs

src/gui/widgets/log.rs

src/gui/widgets/logging.rs

src/gui/widgets/mod.rs

src/gui/widgets/node_info.rs

src/gui/widgets/node_list.rs

src/main.rs

src/packets.rs