Add weapon data

public/data/weapons/sagittarius-astra.json

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+{
+  "id": "sagittarius-astra",
+  "name": "Sagittarius Astra",
+  "atk": 415,
+  "crt": 16,
+  "rarity": 6,
+  "skills": [
+    {
+      "name": "Stellar Excelsis",
+      "description": "[SP: 0][CD: 25s] Unleash a thrust dealing 50% ATK of Physical DMG. Against enemies not in invincibility or Iron Body, this attack  triggers a Throw to control enemies and deal 90% ATK of Physical DMG + 1,100.0% ATK of Fire DMG. During certain enemy moves and when the active button is flashing, a Throw counter can be performed unconditionally, controlling enemies and dealing 20% ATK of Physical DMG + 800.0% ATK of Fire DMG (does not reset CD).Casting Throws, Ultimate, or entering burst mode inflicts Stardust on enemies. CD: 25s. Stardust does not expire and cannot stack. Wielder's Charged ATKs can shatter Stardust to trigger an explosion dealing 1,900.0% ATK of Fire DMG in a certain area."
+    },
+    {
+      "name": "Blazing Alnasl",
+      "description": "Ultimate and burst mode attacks create 3 light spears to impale enemies, each dealing 45.0% ATK of Fire DMG. CD: 5s. For Dea Anchora, every cast of Ultimate creates light spears."
+    },
+    {
+      "name": "Kaus Australis",
+      "description": "Ultimate or burst mode attacks deal 35.0% bonus Fire DMG. Enemies hit by the shattered Stardust blast take 20.0% bonus Fire DMG for 10s. Subsequent procs reset the duration."
+    }
+  ]
+}