wip - make ble come back after sleep

lib/BluetoothOTA/src/SimpleAllocator.cpp

@@ -0,0 +1,20 @@
+#include "SimpleAllocator.h"
+#include "assert.h"
+
+SimpleAllocator::SimpleAllocator() { reset(); }
+
+void *SimpleAllocator::alloc(size_t size)
+{
+    assert(nextFree + size <= sizeof(bytes));
+    void *res = &bytes[nextFree];
+    nextFree += size;
+
+    return res;
+}
+
+void SimpleAllocator::reset() { nextFree = 0; }
+
+void *operator new(size_t size, SimpleAllocator &p)
+{
+    return p.alloc(size);
+}