chore: debloat (remove platformio), onewire improvements

Squashed commit of the following:

commit 5f16309f629b9928d2134b85ae64af69bc3ebbcd
Author: kuwoyuki <kuwoyuki@cock.li>
Date:   Sun Nov 24 22:55:15 2024 +0600

    fix: Makefile, improve onewire retries

commit 55496a3bda941b52ff349dc75c9c06eb5a37c07d
Author: kuwoyuki <kuwoyuki@cock.li>
Date:   Mon Nov 18 00:41:18 2024 +0600

    fix: make onewire validity less strict

commit 3428a9bc9792508972ce3e7e4e35a64f047bca10
Author: kuwoyuki <kuwoyuki@cock.li>
Date:   Sun Nov 17 23:57:55 2024 +0600

    chore: rm bins

commit 1594e5ed430522b15466c8afa62ff7fb1b28947c
Author: kuwoyuki <kuwoyuki@cock.li>
Date:   Sun Nov 17 23:32:01 2024 +0600

    chore: unplatformiofy

ioLibrary_Driver/MQTT/MQTTPacket/src/MQTTUnsubscribe.h

@@ -0,0 +1,38 @@
+/*******************************************************************************
+ * Copyright (c) 2014 IBM Corp.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Eclipse Distribution License v1.0 which accompany this distribution.
+ *
+ * The Eclipse Public License is available at
+ *    http://www.eclipse.org/legal/epl-v10.html
+ * and the Eclipse Distribution License is available at
+ *   http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * Contributors:
+ *    Ian Craggs - initial API and implementation and/or initial documentation
+ *    Xiang Rong - 442039 Add makefile to Embedded C client
+ *******************************************************************************/
+
+#ifndef MQTTUNSUBSCRIBE_H_
+#define MQTTUNSUBSCRIBE_H_
+
+#if !defined(DLLImport)
+  #define DLLImport 
+#endif
+#if !defined(DLLExport)
+  #define DLLExport
+#endif
+
+DLLExport int MQTTSerialize_unsubscribe(unsigned char* buf, int buflen, unsigned char dup, unsigned short packetid,
+		int count, MQTTString topicFilters[]);
+
+DLLExport int MQTTDeserialize_unsubscribe(unsigned char* dup, unsigned short* packetid, int max_count, int* count, MQTTString topicFilters[],
+		unsigned char* buf, int len);
+
+DLLExport int MQTTSerialize_unsuback(unsigned char* buf, int buflen, unsigned short packetid);
+
+DLLExport int MQTTDeserialize_unsuback(unsigned short* packetid, unsigned char* buf, int len);
+
+#endif /* MQTTUNSUBSCRIBE_H_ */