Merge branch 'feature/didcomm-bindings'

didcomm/didcomm.c

+#include <didcomm.h>
+
+// This file exists beacause of
+// https://github.com/golang/go/issues/11263
+
+void cgo_rust_task_callback_bridge_didcomm(RustTaskCallback cb, const void * taskData, int8_t status) {
+  cb(taskData, status);
+}
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