Update README.md

Author: me-no-dev

README.md

@@ -4,12 +4,18 @@
 ### Need help or have a question? Join the chat at [![https://gitter.im/espressif/arduino-esp32](https://badges.gitter.im/espressif/arduino-esp32.svg)](https://gitter.im/espressif/arduino-esp32?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 ## Contents
+- [Development Status](#development-status)
 - [Installation Instructions](#installation-instructions)
 - [Decoding Exceptions](#decoding-exceptions)
 - [Issue/Bug report template](#issuebug-report-template)
 - [ESP32Dev Board PINMAP](#esp32dev-board-pinmap)
 
-## Installation Instructions
+### Development Status
+[Latest stable release ![Release Version](https://img.shields.io/github/release/espressif/arduino-esp32.svg?style=plastic) ![Release Date](https://img.shields.io/github/release-date/espressif/arduino-esp32.svg?style=plastic)](https://github.com/espressif/arduino-esp32/releases/latest/) ![Downloads](https://img.shields.io/github/downloads/espressif/arduino-esp32/latest/total.svg?style=plastic)
+
+[Latest development release ![Development Version](https://img.shields.io/github/release/espressif/arduino-esp32/all.svg?style=plastic) ![Development Date](https://img.shields.io/github/release-date-pre/espressif/arduino-esp32.svg?style=plastic)](https://github.com/espressif/arduino-esp32/releases/latest/) ![Downloads](https://img.shields.io/github/downloads-pre/espressif/arduino-esp32/latest/total.svg?style=plastic)
+
+### Installation Instructions
 - Using Arduino IDE Boards Manager (preferred)
   + [Instructions for Boards Manager](docs/arduino-ide/boards_manager.md)
 - Using Arduino IDE with the development repository
@@ -23,19 +29,19 @@
 - [Using as ESP-IDF component](docs/esp-idf_component.md)
 - [Using OTAWebUpdater](docs/OTAWebUpdate/OTAWebUpdate.md)
 
-#### Decoding exceptions
+### Decoding exceptions
 
 You can use [EspExceptionDecoder](https://github.com/me-no-dev/EspExceptionDecoder) to get meaningful call trace.
 
-#### Issue/Bug report template
+### Issue/Bug report template
 Before reporting an issue, make sure you've searched for similar one that was already created. Also make sure to go through all the issues labelled as [for reference](https://github.com/espressif/arduino-esp32/issues?utf8=%E2%9C%93&q=is%3Aissue%20label%3A%22for%20reference%22%20).
 
 Finally, if you're sure no one else had the issue, follow the [ISSUE_TEMPLATE](docs/ISSUE_TEMPLATE.md) while reporting any issue.
 
-## ESP32Dev Board PINMAP
+### ESP32Dev Board PINMAP
 
 ![Pin Functions](docs/esp32_pinmap.png)
 
-## Hint
+### Hint
 
 Sometimes to program ESP32 via serial you must keep GPIO0 LOW during the programming process