Implement http-module (#637)

Create http-module and implement it in App Hub and App Hub Details apps.

Buildscripts/sdkconfig/default.properties

@@ -11,6 +11,12 @@ CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y
 # EmbedTLS
 # Use TLS 1.2 because 1.3 conflicts with MbedTLS dynamic buffer
 CONFIG_MBEDTLS_SSL_PROTO_TLS1_2=y
+# Frees TLS IN/OUT buffers between reads/writes instead of holding them for the whole session.
+# Internal-RAM-only devices need this: mbedtls_ssl_setup() otherwise fails with ALLOC_FAILED
+# (-0x7F00).
+# Keep MBEDTLS_SSL_IN_CONTENT_LEN at its 16384 default: servers may send TLS records up to that
+# size, and a smaller buffer fails mid-transfer with MBEDTLS_ERR_SSL_INVALID_RECORD (-0x7200).
+CONFIG_MBEDTLS_DYNAMIC_BUFFER=y
 # LVGL
 CONFIG_LV_USE_USER_DATA=y
 CONFIG_LV_USE_FS_STDIO=y