refactor(termux): rename installer and remove gateway clone/setup steps

docs(readme): restore full Termux setup_all.sh script

fix(termux): harden auto-login hook in shell rc files

fix(termux): enforce Ubuntu auto-login across shell startup paths

fix(termux): avoid unbound vars by using heredoc scripts

docs(readme): simplify Termux install to one-liner

fix(termux): bind and copy repo into Ubuntu before setup

docs(readme): align Android value prop in EN/KR

docs(readme): highlight Android Termux support in value proposition

docs(readme): add Termux Acquire Wakelock instruction

docs(readme): run Android Termux helper after clone

chore: add Android Termux setup helper script

docs(readme): add Android Termux install and run guide

feat(setup): auto-create .env from .env.example

feat: add discord-send-file, browser-control, create-skill, create-agent skills