feat(lib): add core tanzaku functions

src/tanabata/tanzaku.c

@@ -0,0 +1,17 @@
+#include "../../include/tanabata.h"
+
+int tanabata_tanzaku_add(Tanabata *tanabata, const char *name, const char *alias, const char *description) {
+    return tanzaku_add(&tanabata->sappyou, name, alias, description);
+}
+
+int tanabata_tanzaku_rem_by_id(Tanabata *tanabata, uint64_t tanzaku_id) {
+    return tanzaku_rem_by_id(&tanabata->sappyou, tanzaku_id);
+}
+
+int tanabata_tanzaku_rem_by_name(Tanabata *tanabata, const char *name) {
+    return tanzaku_rem_by_name(&tanabata->sappyou, name);
+}
+
+int tanabata_tanzaku_rem_by_alias(Tanabata *tanabata, const char *alias) {
+    return tanzaku_rem_by_alias(&tanabata->sappyou, alias);
+}