Add Elytra Parkour Mode (basic implementation)

- Created ElytraMode class with leaderboard support
- Auto-gives elytra and fireworks on mode start
- Added elytra mode config options
- Added Russian and English localization
- Integrated into mode selection menu
- TODO: Ring generation, boost system, collision detection

src/main/resources/config.yml

@@ -343,6 +343,22 @@ modes:
     # Reset all rewards on fall
     reset-rewards: true
 
+  # -= Elytra mode =-
+  elytra:
+    # Enable elytra mode
+    enabled: true
+    # Distance between rings
+    ring-distance-min: 20
+    ring-distance-max: 40
+    # Ring size (radius)
+    ring-size: 5
+    # Firework boost power
+    boost-power: 1.5
+    # Firework cooldown in seconds
+    firework-cooldown: 3
+    # Starting fireworks amount
+    starting-fireworks: 64
+
 
 
 # -= Scoring options =-

src/main/resources/locales/en.yml

@@ -258,3 +258,8 @@ other:
     material: "elytra"
     name: "&#00D4FF<bold>Flying"
     lore: "&#A0A0A0Parkour with elytra!"
+
+modes:
+  elytra:
+    name: "&#00D4FF<bold>Elytra"
+    description: "&#A0A0A0Fly through rings!||&#A0A0A0Use fireworks to boost"

src/main/resources/locales/ru.yml

@@ -257,3 +257,8 @@ other:
     material: "elytra"
     name: "&#00D4FF<bold>Полёт"
     lore: "&#A0A0A0Паркур с элитрами!"
+
+modes:
+  elytra:
+    name: "&#00D4FF<bold>Элитры"
+    description: "&#A0A0A0Летайте через кольца!||&#A0A0A0Используйте фейерверки для ускорения"