Add Waybar configuration

Signed-off-by: Severin Kaderli <severin@kaderli.dev>

system/.config/waybar/config

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+[{
+    "layer": "bottom<",
+    "position": "top",
+    "height": 35,
+    "spacing": 4,
+    "margin": "0 0 10px 0",
+    "modules-left": ["sway/workspaces", "sway/mode"],
+    "modules-center": [],
+    "modules-right": ["custom/update", "pulseaudio",  "battery", "network", "clock", "custom/power"],
+    "sway/workspaces": {
+        "disable-scroll": true,
+        "format": "{icon}",
+        "format-icons": {
+            "1": "",
+            "2": "",
+            "3": "",
+            "4": "",
+            "5": "",
+            "6": "",
+            "7": "",
+            "8": "",
+            "9": "",
+            "10": "ﱘ",
+        }
+    },
+    "custom/update": {
+        "format": "累 {}",
+        "exec": "update-count",
+        "interval": 60,
+        "tooltip": false,
+    },
+    "pulseaudio": {
+        "scroll-step": 5,
+        "format": "{icon} {volume}%",
+        "format-icons": {
+            "headphone": "",
+            "speaker": "墳",
+            "default": ["奄", "奔", "墳"]
+        },
+        "tooltip": false,
+        "on-click": "pavucontrol"
+    },
+    "battery": {
+        "format": "{icon} {capacity}%",
+        "format-charging": " {capacity}%",
+        "format-plugged": " {capacity}%",
+        "format-icons": ["", "", "", "", "", "", "", "", "", ""],
+        "tooltip": false,
+    },
+    "network": {
+        "format-wifi": "直  {essid}",
+        "format-ethernet": "{ipaddr}/{cidr} ",
+        "format-linked": "{ifname} (No IP) ",
+        "format-disconnected": "Disconnected ",
+        "tooltip": false,
+    },
+    "clock": {
+        "format": "  {:%F %H:%M:%S}",
+        "tooltip": false,
+        "on-click": "xdg-open https://www.kaderli.dev",
+    },
+    "custom/power": {
+        "format": " ",
+        "tooltip": false,
+        "on-click": "$XDG_BIN_HOME/power",
+    }
+},
+{
+    "layer": "bottom",
+    "position": "bottom",
+    "height": 35,
+    "spacing": 4,
+    "margin": "10px 0 0 0",
+    "modules-left": ["tray"],
+    "modules-center": [],
+    "modules-right": [],
+    "tray": {
+        "spacing": 10,
+    }
+}
+]

system/.config/waybar/style.css

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+* {
+    border: none;
+    border-radius: 0;
+    font-family: "Iosevka Nerd Font", sans-serif;
+    font-size: 14px;
+    min-height: 0;
+}
+
+#waybar {
+    background-color: #18161d;
+    color: #A4A0AC;
+}
+
+#tray,
+#network,
+#pulseaudio,
+#clock,
+#battery,
+#custom-update,
+#custom-power {
+    padding: 0 10px;
+}
+
+#tray:hover,
+#network:hover,
+#pulseaudio:hover,
+#clock:hover,
+#battery:hover,
+#custom-update:hover,
+#custom-power:hover {
+    background-color: #A4A0AC;
+    color: #18161d;
+}
+
+#workspaces button {
+    background-color: #18161d;
+    color: #A4A0AC;
+    padding: 0;
+}
+
+#workspaces button:hover {
+    background-color: #A4A0AC;
+    color: #18161d;
+}
+
+#workspaces button.focused.current_output {
+    background-color: #A4A0AC;
+    color: #18161d;
+}