Added new BTR config settings (!207)

Reviewed-on: https://dev.sp-tarkov.com/SPT-AKI/Server/pulls/207
Co-authored-by: Arys <arys@noreply.dev.sp-tarkov.com>
Co-committed-by: Arys <arys@noreply.dev.sp-tarkov.com>

project/assets/configs/btr.json

@@ -5,5 +5,14 @@
         "min": 60,
         "max": 90
     },
-    "taxiWaitTime": 15
+    "taxiWaitTime": 15,
+    "machineGunAimDelay": 0.4,
+    "machineGunBurstCount": {
+        "min": 3,
+        "max": 5
+    },
+    "machineGunRecoveryTime": {
+        "min": 1.2,
+        "max": 1.7
+    }
 }