Add eww bar

This configuration was simply copied from my old Arch Linux system.
There are some issues that still need to be solved, namely with fonts
and missing bitcoin price script, but it's mostly minor.

home/programs/graphical/bars/eww/config/scripts/net

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+
+# shellcheck source=include
+source "./scripts/include"
+
+STRENGTH_ICONS=("󰤫" "󰤯" "󰤟" "󰤢" "󰤥" "󰤨")
+DISCONNECTED_ICON="󰤮"
+WIFI_OFF="󰖪"
+
+toggle() {
+  status=$(rfkill -J | jq -r '.rfkilldevices[] | select(.type == "wlan") | .soft' | head -1)
+
+  if [ "$status" = "unblocked" ]; then
+    rfkill block wlan
+  else
+    rfkill unblock wlan
+  fi
+}
+
+get_report() {
+    connection_details="$(nmcli -t -f NAME,TYPE,DEVICE connection show --active | grep wireless | head -n1)"
+    essid="$(echo $connection_details | cut -d':' -f1)"
+    device="$(echo $connection_details | cut -d':' -f3)"
+    if [ -n "$device" ]; then
+      state="$(nmcli -t -f DEVICE,STATE device status | grep "$device" | head -n1 | cut -d':' -f2)"
+      signal="$(nmcli -t -f in-use,signal dev wifi | grep "\*" | cut -d':' -f2)"
+    else
+      state="unknown"
+      signal="0"
+    fi
+
+    if [ "$state" = "disconnected" ] ; then
+      icon="$DISCONNECTED_ICON"
+    elif [ "$state" = "unknown" ]; then
+      icon="$WIFI_OFF"
+    else
+      icon="$(pick_icon "$signal" 0 100 "${STRENGTH_ICONS[@]}")"
+    fi
+
+    jq -n -c --monochrome-output \
+      --arg essid "$essid" \
+      --arg icon "$icon" \
+      --arg state "$state" \
+      --arg signal "$signal" \
+      '$ARGS.named'
+}
+
+case "$1" in
+  "toggle") toggle ;;
+  "status") get_report ;;
+  *) >&2 echo "Invalid usage, argument '$1' not recognized."; exit 1 ;;
+esac