Add a 'esp_https_server' component allowing to use http_server with OpenSSL

examples/protocols/https_server/main/certs/gencert.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+# Example command to generate a new certificate in the correct format.
+# Expiry time and metadata fields can be adjusted in the invocation.
+
+# Please see the openssl man pages (man openssl-req) for more details
+
+openssl req -newkey rsa:2048 -nodes -keyout prvtkey.pem -x509 -days 3650 -out cacert.pem -subj "/CN=ESP32 HTTPS server example"