Add fixed ESPAsyncWebServer update NimBLE

libraries/ESPAsyncWebServer/examples/StreamFiles/StreamConcat.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <Stream.h>
+
+class StreamConcat : public Stream {
+  public:
+    StreamConcat(Stream* s1, Stream* s2) : _s1(s1), _s2(s2) {}
+
+    size_t write(__unused const uint8_t* p, __unused size_t n) override { return 0; }
+    size_t write(__unused uint8_t c) override { return 0; }
+    void flush() override {}
+
+    int available() override { return _s1->available() + _s2->available(); }
+
+    int read() override {
+      int c = _s1->read();
+      return c != -1 ? c : _s2->read();
+    }
+
+    size_t readBytes(char* buffer, size_t length) override {
+      size_t count = _s1->readBytes(buffer, length);
+      return count > 0 ? count : _s2->readBytes(buffer, length);
+    }
+
+    int peek() override {
+      int c = _s1->peek();
+      return c != -1 ? c : _s2->peek();
+    }
+
+  private:
+    Stream* _s1;
+    Stream* _s2;
+};