refactor: implement component-based architecture for enhanced maintainability

- Reorganize directory structure into core/, features/, and themes/
- Colocate application Nix logic, configs, scripts, and theme overrides
- Implement 'Inversion of Control' for theming: apps now pull theme-specific layouts
- Update flake.nix and shared library paths to match the new structure
- Document the new Feature-Centric architecture in README.md

features/scripts/utils/nomarchy-drive-info

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+# Returns drive information about a given volumne, like /dev/nvme0, which is used by nomarchy-drive-select.
+
+if (($# == 0)); then
+  echo "Usage: nomarchy-drive-info [/dev/drive]"
+  exit 1
+else
+  drive="$1"
+fi
+
+# Find the root drive in case we are looking at partitions
+root_drive=$(lsblk -no PKNAME "$drive" 2>/dev/null | tail -n1)
+if [[ -n $root_drive ]]; then
+  root_drive="/dev/$root_drive"
+else
+  root_drive="$drive"
+fi
+
+# Get basic disk information
+size=$(lsblk -dno SIZE "$drive" 2>/dev/null)
+vendor=$(lsblk -dno VENDOR "$root_drive" 2>/dev/null | sed 's/ *$//')
+model=$(lsblk -dno MODEL "$root_drive" 2>/dev/null | sed 's/ *$//')
+
+# Combine vendor and model, avoiding duplication
+label=""
+if [[ -n $vendor && -n $model ]]; then
+  if [[ $model == *$vendor* ]]; then
+    label="$model"
+  else
+    label="$vendor $model"
+  fi
+elif [[ -n $model ]]; then
+  label="$model"
+elif [[ -n $vendor ]]; then
+  label="$vendor"
+fi
+
+# Format display string
+display="$drive"
+[[ -n $size ]] && display="$display ($size)"
+[[ -n $label ]] && display="$display - $label"
+
+# Append compact partition summary
+part_summary=$(lsblk -nro TYPE,NAME,FSTYPE,MOUNTPOINT "$root_drive" 2>/dev/null | \
+  awk '$1=="part" { printf "%s%s%s", s, ($3==""?"unknown":$3), ($4==""?"":"("$4")"); s=", " }')
+[[ -n $part_summary ]] && display+=" [$part_summary]"
+
+echo "$display"