[Keyboard] Add ah/haven{65,80} (#20142)

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: jack <0x6a73@protonmail.com>
Co-authored-by: CMM.Studio Freather <50167286+frankBTHID@users.noreply.github.com>

keyboards/ah/haven80/info.json

@@ -0,0 +1,34 @@
+{
+    "manufacturer": "Atelier_Haven",
+    "url": "",
+    "maintainer": "Freather",
+    "processor": "atmega32u4",
+    "bootloader": "atmel-dfu",
+    "diode_direction": "COL2ROW",
+    "features": {
+        "bootmagic": true,
+        "mousekey": true,
+        "extrakey": true,
+        "nkro": true,
+        "rgblight": true
+    },
+    "ws2812": {
+    "pin": "E6",
+  },
+    "rgblight": {
+        "led_count": 21,
+        "sleep": true,
+        "animations": {
+            "alternating": true,
+            "breathing": true,
+            "christmas": true,
+            "knight": true,
+            "rainbow_mood": true,
+            "rainbow_swirl": true,
+            "rgb_test": true,
+            "snake": true,
+            "static_gradient": true,
+            "twinkle": true
+        }
+    }
+}