Lore option & some more documentation

MMOItems-API/src/main/java/net/Indyuce/mmoitems/manager/StatManager.java

@@ -213,6 +213,10 @@ public class StatManager {
             case "text":
                 register(new StringStat(statId, Material.PAPER, name, lore, new String[]{"!miscellaneous", "!block", "all"}));
                 break;
+            case "text-list":
+                register(new StringListStat(statId, Material.PAPER, name, lore, new String[]{"!miscellaneous", "!block", "all"}));
+                break;
+
             default:
                 throw new RuntimeException("Cannot register a custom stat of type " + type);
         }

MMOItems-Dist/src/main/resources/default/custom-stats.yml

@@ -1,4 +1,7 @@
 # Add as many custom stats as you want below
+# -
+# For each custom stat you add, you must also add a corresponding
+# entry in the lore-format.yml and stats.yml files
 custom-stats:
 
   # The key doesn't really matter, although it must be unique
@@ -13,4 +16,9 @@ custom-stats:
     # - boolean (true/false)
     # - text
     # - text-list (a list of string)
-    type: "double"
+    type: "double"
+
+    # The lore must be a list of strings
+    lore:
+      - "This is a test line #1"
+      - "This is a test line #2"

MMOItems-Dist/src/main/resources/default/language/lore-format.yml

@@ -30,6 +30,7 @@ lore-format:
   - '#profession-woodcutting#'
   # - '{bar}&8&m--------&f&l &nStatistics&8 &m-------------'
   - '{bar}'
+  - '#custom-myluck#'
   - '#can-identify#'
   - '#can-deconstruct#'
   - '#can-deskin#'