Implemented initial SSH support. Memory pressure too high for HTTPS and

SSH. Dirty commit.

src/CMakeLists.txt

@@ -13,6 +13,9 @@ idf_component_register(
         "serial_console.c"
         "session_broker.c"
         "session_console.c"
+        "ssh_security.c"
+        "ssh_transport.c"
+        "ssh_console.c"
         "usb_cdc_transport.c"
         "usb_console.c"
         "web_security.c"
@@ -44,4 +47,13 @@ idf_component_register(
         lwip
         mbedtls
         nvs_flash
+        wolfssl__wolfssh
+        wolfssl__wolfssl
+)
+
+# Public wolfSSH headers include wolfCrypt configuration from user_settings.h.
+target_compile_definitions(${COMPONENT_LIB} PRIVATE
+    WOLFSSL_USER_SETTINGS
+    WOLFSSH_USER_SETTINGS
+    WC_RNG_SEED_CB
 )