feat(tray): spacing config

resources/config

@@ -26,6 +26,9 @@
     "sway/window": {
         "max-length": 50
     },
+    "tray": {
+        "spacing": 10
+    },
     "clock": {
         "format-alt": "{:%Y-%m-%d}"
     },

resources/style.css

@@ -93,4 +93,4 @@ window#waybar {
 
 #tray {
     background-color: #2980b9;
-}
+}

src/modules/sni/tray.cpp

@@ -3,7 +3,12 @@
 #include <iostream>
 
 waybar::modules::SNI::Tray::Tray(const Json::Value &config)
-    : config_(config), watcher_(), host_(&dp) {}
+    : config_(config), watcher_(), host_(&dp)
+{
+  if (config_["spacing"].isUInt()) {
+    box_.set_spacing(config_["spacing"].asUInt());
+  }
+}
 
 auto waybar::modules::SNI::Tray::update() -> void {
   for (auto &item : host_.items) {