added hextech banner

backend/banners/hextech.json

@@ -0,0 +1,49 @@
+{
+  "name": "Hextech Arcanum",
+  "slug": "hextech",
+  "description": "A trippy, glowing geometric pattern of hexagons and runic energy streams inspired by Arcane.",
+  "settings": {
+    "gridSize": 40,
+    "pulseSpeed": 0.02,
+    "glowIntensity": 0.8,
+    "streamCount": 12,
+    "distortion": 0.5
+  },
+  "schema": [
+    {
+      "key": "gridSize",
+      "label": "Hexagon Size",
+      "type": "slider",
+      "min": 20,
+      "max": 80,
+      "step": 5,
+      "description": "Size of the individual hex cells."
+    },
+    {
+      "key": "pulseSpeed",
+      "label": "Energy Flow Speed",
+      "type": "slider",
+      "min": 0.005,
+      "max": 0.1,
+      "step": 0.005,
+      "description": "How fast the runic energy pulses through the grid."
+    },
+    {
+      "key": "streamCount",
+      "label": "Mana Streams",
+      "type": "number",
+      "min": 5,
+      "max": 30,
+      "description": "Number of active energy streams flowing through the circuitry."
+    },
+    {
+      "key": "distortion",
+      "label": "Trippiness Factor",
+      "type": "slider",
+      "min": 0,
+      "max": 2.0,
+      "step": 0.1,
+      "description": "How much the grid warps and distorts over time."
+    }
+  ]
+}