docs: add components/owb readme

components/owb/owb.md

+# 1-Wire
+## Description
+This component provides an ESP32 library for interfacing devices via 1-Wire communication bus system designed by Dallas Semiconductor Corp. The library was developed by David Antliff and Chris Morgan and released with MIT license under the name esp32-owb.
+
+## Main code
+### Methods
+```c
+// Init OWB using RMT module
+OneWireBus* owb_rmt_initialize(owb_rmt_driver_info * info, gpio_num_t gpio_num,
+                                rmt_channel_t tx_channel, rmt_channel_t rx_channel)
+```
+
+## Documents
+Original Library: [esp32-owb](https://github.com/DavidAntliff/esp32-owb)