Added printable prinf and template printable

src/devices/template/custom_printable.cpp

@@ -0,0 +1,18 @@
+#include <sta/devices/template/custom_printable.hpp>
+
+#ifdef STA_PLATFORM_YOUR_DEVICE
+
+#include <sta/debug/assert.hpp>
+
+namespace sta
+{
+    void CustomPrintable::print(const char * str, size_t length)
+    {
+        STA_ASSERT(str != nullptr);
+        STA_ASSERT(length > 0);
+
+        // YOUR CODE HERE
+    }
+} // namespace sta
+
+#endif // STA_PLATFORM_YOUR_DEVICE