Resolve all Javadoc warnings

.gitignore

@@ -5,6 +5,7 @@
 .metadata
 bin/
 tmp/
+doc/
 *.tmp
 *.bak
 *.swp
@@ -211,4 +212,4 @@ gradle-app.setting
 # gradle/wrapper/gradle-wrapper.properties
 
 ### Gradle Patch ###
-**/build/
+**/build/

src/main/java/com/ninjaguild/dragoneggdrop/DragonEggDrop.java

@@ -187,6 +187,8 @@ public static DragonEggDrop getInstance() {
      *
      * @param sender the sender to which the message should be sent
      * @param message the message to send
+     *
+     * @param <T> command sender type
      */
     public static <T extends CommandSender> void sendMessage(T sender, String message) {
         sender.sendMessage(CHAT_PREFIX + message);

src/main/java/com/ninjaguild/dragoneggdrop/dragon/DamageHistory.java

@@ -99,7 +99,7 @@ public DamageEntry getTopDamager() {
      * If offset of 2, third most. So on and so forth. Offset 0 would be equivalent to
      * {@link #getTopDamager()}.
      *
-     * @param offset the damage entry offset. Must be < {@link #uniqueDamagers()}
+     * @param offset the damage entry offset. Must be {@literal <} {@link #uniqueDamagers()}
      *
      * @return the top damager at the given offset
      */
@@ -182,7 +182,7 @@ public DamageEntry getMostRecentDamage() {
      * offset of 2, third most. So on and so forth. Offset 0 would be equivalent to
      * {@link #getMostRecentDamage()}.
      *
-     * @param offset the damage entry offset. Must be < {@link #size()}
+     * @param offset the damage entry offset. Must be {@literal <} {@link #size()}
      *
      * @return the damage entry at the given offset
      */

src/main/java/com/ninjaguild/dragoneggdrop/dragon/loot/elements/DragonLootElementEgg.java

@@ -111,8 +111,8 @@ public boolean isCentered() {
 
     /**
      * {@inheritDoc}
-     *
-     * @implNote Hardcoded to 0.0. Eggs are not meant to be generated by loot pools
+     * <p>
+     * <strong>NOTE:</strong> Hardcoded to 0.0. Eggs are not meant to be generated by loot pools
      */
     @Override
     public double getWeight() {