Add weapon data

public/data/weapons/stellar-tempo.json

@@ -0,0 +1,17 @@
+{
+  "id": "stellar-tempo",
+  "name": "Stellar Tempo",
+  "atk": 232,
+  "crt": 10,
+  "rarity": 5,
+  "skills": [
+    {
+      "name": "Cosmic Amplifiers",
+      "description": "Fires a beam that continuously damages targets along a straight path. Continuous firing will overheat the weapon. Closer enemies will take more DMG, with DMG maximized at a range within 3 meters.[SP: 11][CD: 20s] When unleashed, all Sparkling Stars on the battlefield will sparkle brightly, dealing 200% ATK of Physical DMG (per star) to nearby enemies and impairs them, reducing their DEF by 30% for 4.0s.[Concert Stage] When picking up a Sparkling Star, all characters gain 10% Attack Speed for 5s. Effect cannot stack."
+    },
+    {
+      "name": "Sparkling Star",
+      "description": "When the character is deployed, 1 Sparkling Star appears nearby every 3s. Sparkling Star lasts 4.5s. When picking up the Sparkling Star, deal 200% ATK of Physical DMG to a random, nearby target and enemies surrounding it."
+    }
+  ]
+}