mie: move op and type definition from dialect/ to ir/ and type/ respectively

mie/ir/op-definition.c

@@ -0,0 +1,25 @@
+#include <blue/ds/string.h>
+#include <mie/dialect/dialect.h>
+#include <mie/ir/op-definition.h>
+
+struct mie_op_definition *mie_op_definition_create(
+	struct mie_dialect *parent, const char *name)
+{
+	struct mie_op_definition *out = malloc(sizeof *out);
+	if (!out) {
+		return NULL;
+	}
+
+	out->op_name = b_strdup(name);
+	if (!out->op_name) {
+		free(out);
+		return NULL;
+	}
+
+	out->op_parent = parent;
+
+	b_rope name_rope = B_ROPE_CSTR(name);
+	mie_id_map_put(&parent->d_ops, &out->op_id, &name_rope);
+
+	return out;
+}