feat: add block place and craft metrics

src/main/java/com/prometheus/spigot/metrics/MetricsRegistry.java

@@ -44,11 +44,13 @@ public final class MetricsRegistry {
     private final LongAdder chunkGenerations = new LongAdder();
     private final LongAdder pluginEnables = new LongAdder();
     private final LongAdder pluginDisables = new LongAdder();
+    private final ConcurrentHashMap<String, LongAdder> blocksPlacedByMaterial = new ConcurrentHashMap<>();
     private final ConcurrentHashMap<String, LongAdder> blocksBrokenByMaterial = new ConcurrentHashMap<>();
     private final ConcurrentHashMap<String, LongAdder> deathsByCause = new ConcurrentHashMap<>();
     private final ConcurrentHashMap<String, LongAdder> loginFailuresByReason = new ConcurrentHashMap<>();
     private final ConcurrentHashMap<String, LongAdder> commandsBlocked = new ConcurrentHashMap<>();
     private final ConcurrentHashMap<LabelPair, LongAdder> commandsExecuted = new ConcurrentHashMap<>();
+    private final ConcurrentHashMap<String, LongAdder> itemsCraftedByMaterial = new ConcurrentHashMap<>();
 
     public MetricsRegistry(Server server, boolean enableJvm, boolean enableProcess) {
         this.server = server;
@@ -85,6 +87,10 @@ public final class MetricsRegistry {
         incrementLabeledCounter(blocksBrokenByMaterial, material.name());
     }
 
+    public void incrementBlocksPlaced(Material material) {
+        incrementLabeledCounter(blocksPlacedByMaterial, material.name());
+    }
+
     public void incrementPlayerDeath(EntityDamageEvent.DamageCause cause) {
         incrementLabeledCounter(deathsByCause, cause.name());
     }
@@ -123,6 +129,10 @@ public final class MetricsRegistry {
         pluginDisables.increment();
     }
 
+    public void incrementItemsCrafted(Material material) {
+        incrementLabeledCounter(itemsCraftedByMaterial, material.name());
+    }
+
     public void refreshEntitySnapshots() {
         Map<String, Long> entityCounts = new HashMap<>();
         Map<String, Long> tileCounts = new HashMap<>();
@@ -168,10 +178,12 @@ public final class MetricsRegistry {
         appendCounter(builder, "spigot_plugin_disable_total", "Total plugin disable events", pluginDisables.sum());
 
         appendLabeledCounterAdder(builder, "spigot_blocks_broken_total", "Blocks broken by material", "material", blocksBrokenByMaterial);
+        appendLabeledCounterAdder(builder, "spigot_blocks_placed_total", "Blocks placed by material", "material", blocksPlacedByMaterial);
         appendLabeledCounterAdder(builder, "spigot_player_deaths_total", "Player deaths by cause", "cause", deathsByCause);
         appendLabeledCounterAdder(builder, "spigot_player_logins_failed_total", "Failed player logins by reason", "reason", loginFailuresByReason);
         appendLabeledCounterAdder(builder, "spigot_commands_blocked_total", "Blocked commands by name", "command", commandsBlocked);
         appendLabeledCounterAdder(builder, "spigot_commands_executed_total", "Commands executed by source", "command", "source", commandsExecuted);
+        appendLabeledCounterAdder(builder, "spigot_items_crafted_total", "Items crafted by material", "material", itemsCraftedByMaterial);
 
         appendGauge(builder, "spigot_players_online", "Online player count", server.getOnlinePlayers().size());
         appendGauge(builder, "spigot_players_max", "Max player slots", server.getMaxPlayers());