Add weapon prefabs for Grenade, Rifle, and Sword; set attributes including names, descriptions, prices, and projectile behaviors

Assets/Data/Waves/Wave 1.asset

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   m_Script: {fileID: 11500000, guid: 998e0b91932048b1b2abcfcf4936b508, type: 3}
-  m_Name: Basic Wave
+  m_Name: Wave 1
   m_EditorClassIdentifier: 
   spawns:
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Assets/Data/Waves/Wave 2.asset

@@ -0,0 +1,24 @@
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+  m_Name: Wave 2
+  m_EditorClassIdentifier: 
+  spawns:
+  - enemyPrefab: {fileID: 204632724861940951, guid: d5225fe09f2ee0168b3a40e21948820a, type: 3}
+    count: 50
+    spawnInterval: 0.5
+  - enemyPrefab: {fileID: 204632724861940951, guid: b00136274fd417af18bc2ba9111a054c, type: 3}
+    count: 50
+    spawnInterval: 0.75
+  - enemyPrefab: {fileID: 204632724861940951, guid: d5225fe09f2ee0168b3a40e21948820a, type: 3}
+    count: 700
+    spawnInterval: 0.5

Assets/Data/Waves/Wave 2.asset.meta

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