fix /pronouns reset command

Fix crash when resetting pronouns due to null value in database write

src/main/java/com/sophiaatkinson/pronouns/PronounsPlugin.java

@@ -68,6 +68,17 @@ public class PronounsPlugin extends JavaPlugin {
     }
 
     public void setPronouns(UUID uuid, String pronouns) {
+        if (pronouns == null) {
+            try (PreparedStatement ps = connection.prepareStatement("DELETE FROM pronouns WHERE uuid = ?")) {
+                ps.setString(1, uuid.toString());
+                ps.executeUpdate();
+            } catch (SQLException e) {
+                errorLog.add("Database delete error: " + e.getMessage());
+                e.printStackTrace();
+            }
+            return;
+        }
+    
         for (String blocked : blockedPronouns) {
             if (pronouns.contains(blocked)) {
                 return;

src/main/resources/config.yml

@@ -17,11 +17,11 @@ blocked-pronouns:
   - "spic"
 
 pronoun-suggestions:
-  - "she/her"
-  - "he/him"
-  - "they/them"
-  - "xe/xem"
-  - "it/its"
+  - "She/Her"
+  - "He/Him"
+  - "They/Them"
+  - "Xe/Xem"
+  - "It/Its"
 
 debug: true