add security handling process docs (#52)

Author: Shikugawa

README.md

@@ -113,6 +113,10 @@ current_span->endSpan();
 tracer->sendSegment(std::move(current_segment));
 ```
 
+## Security
+
+If you've found any security issues, please read [Security Reporting Process](https://github.com/SkyAPM/cpp2sky/blob/main/SECURITY.md) and take described steps.
+
 ## LICENSE
 
 Apache 2.0 License. See [LICENSE](https://github.com/SkyAPM/cpp2sky/blob/main/LICENSE) for more detail.

SECURITY.md

@@ -0,0 +1,3 @@
+# Security Reporting Process
+
+If you've found a security vulnerability on cpp2sky, please report the description and details to [email protected]. After that we will acknowledge about your report then send confiramation email.

source/grpc_async_client_impl.cc

@@ -61,8 +61,8 @@ GrpcAsyncSegmentReporterClient::~GrpcAsyncSegmentReporterClient() {
   // failed to send message and close stream, then recreate new stream and try
   // to do it. This process will continue forever without sending explicit
   // signal.
-  // TODO(shikugawa): Block to wait drained messages to be clear with createing condition
-  // variable wrapper.
+  // TODO(shikugawa): Block to wait drained messages to be clear with createing
+  // condition variable wrapper.
 #ifndef TEST
   if (stream_) {
     std::unique_lock<std::mutex> lck(mux_);