chore: initialize gentoo-setup documentation repository

Add comprehensive documentation for Lenovo ThinkPad Gentoo Linux setup
including:
- Complete system configuration guides (power, Bluetooth, WiFi, audio)
- Hardware setup documentation (touchpad, touchscreen, DisplayLink)
- Management scripts with ZSH completions
- Kernel configuration (6.12.41-gentoo-x86_64)
- Lid automation and monitor management
- Battery conservation system
- User guides and troubleshooting

Repository includes .gitignore to exclude logs, temporary files, and
secrets.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

scripts/bluetooth-setup/_bluetooth-setup

@@ -0,0 +1,59 @@
+#compdef bluetooth-setup
+
+# ZSH completion for bluetooth-setup
+# Place this file in /usr/local/share/zsh/site-functions/_bluetooth-setup
+
+_bluetooth-setup() {
+    local curcontext="$curcontext" state line
+    typeset -A opt_args
+
+    _arguments -C \
+        '1: :->command' \
+        '2: :->arg' \
+        && return 0
+
+    case $state in
+        command)
+            local -a commands
+            commands=(
+                'scan:Scan for nearby Bluetooth devices'
+                'pair:Pair with a device'
+                'connect:Connect to a paired device'
+                'disconnect:Disconnect from device(s)'
+                'remove:Remove/forget a paired device'
+                'status:Show Bluetooth status'
+                'list-paired:List paired devices'
+                'list:List paired devices'
+                'power:Enable or disable Bluetooth'
+                'help:Show help information'
+            )
+            _describe -t commands 'bluetooth-setup command' commands
+            ;;
+        arg)
+            case $line[1] in
+                pair)
+                    # Complete with discovered devices (MAC addresses)
+                    local -a devices
+                    devices=(${(f)"$(bluetoothctl devices 2>/dev/null | awk '{print $2":"$3}' | sed 's/:$//')"})
+                    _describe -t devices 'available devices' devices
+                    ;;
+                connect|disconnect|remove|forget)
+                    # Complete with paired devices (MAC addresses)
+                    local -a paired
+                    paired=(${(f)"$(bluetoothctl paired-devices 2>/dev/null | awk '{print $2":"substr($0, index($0,$3))}')"})
+                    _describe -t paired 'paired devices' paired
+                    ;;
+                power)
+                    # Complete with on/off
+                    local -a power_states
+                    power_states=('on:Enable Bluetooth' 'off:Disable Bluetooth')
+                    _describe -t power_states 'power state' power_states
+                    ;;
+            esac
+            ;;
+    esac
+
+    return 0
+}
+
+_bluetooth-setup "$@"