Pull request/Issue Templates and Readme update (espressif#6577)

* Templates and readme

* Templates_and_readme

Author: VojtechBartoska

README.md

@@ -2,23 +2,33 @@
 
 ![Build Status](https://github.com/espressif/arduino-esp32/workflows/ESP32%20Arduino%20CI/badge.svg) [![Documentation Status](https://readthedocs.com/projects/espressif-arduino-esp32/badge/?version=latest)](https://docs.espressif.com/projects/arduino-esp32/en/latest/?badge=latest)
 
-### 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)
+### 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) or [open a new Discussion](https://github.com/espressif/arduino-esp32/discussions)
 
 ## Contents
 
-- [Development Status](#development-status)
-- [Decoding Exceptions](#decoding-exceptions)
-- [Issue/Bug report template](#issuebug-report-template)
+  - [Development Status](#development-status)
+  - [Development Planning](#development-planning)
+  - [Documentation](#documentation)
+  - [Supported Chips](#supported-chips)
+  - [Decoding exceptions](#decoding-exceptions)
+  - [Issue/Bug report template](#issuebug-report-template)
+  - [Contributing](#contributing)
 
 ### Development Status
 
 Latest Stable Release  [![Release Version](https://img.shields.io/github/release/espressif/arduino-esp32.svg?style=plastic)](https://github.com/espressif/arduino-esp32/releases/latest/) [![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)](https://github.com/espressif/arduino-esp32/releases/latest/)
 
 Latest Development Release  [![Release Version](https://img.shields.io/github/release/espressif/arduino-esp32/all.svg?style=plastic)](https://github.com/espressif/arduino-esp32/releases/) [![Release Date](https://img.shields.io/github/release-date-pre/espressif/arduino-esp32.svg?style=plastic)](https://github.com/espressif/arduino-esp32/releases/) [![Downloads](https://img.shields.io/github/downloads-pre/espressif/arduino-esp32/latest/total.svg?style=plastic)](https://github.com/espressif/arduino-esp32/releases/)
 
+### Development Planning
+
+Our Development is fully tracked on this public **[Roadmap 🎉](https://github.com/orgs/espressif/projects/3)** 
+
+For even more information you can take a look at [Sprint Meeting notes](https://github.com/espressif/arduino-esp32/discussions/categories/sprints-meeting-notes) or join [Monthly Community Meetings 🔔](https://github.com/espressif/arduino-esp32/discussions/categories/monthly-community-meetings)
+
 ### Documentation
 
-You can use [Arduino-ESP32 Online Documentation](https://docs.espressif.com/projects/arduino-esp32/en/latest/) to get all information about this project.
+You can use the [Arduino-ESP32 Online Documentation](https://docs.espressif.com/projects/arduino-esp32/en/latest/) to get all information about this project.
 
 * [Getting Started](https://docs.espressif.com/projects/arduino-esp32/en/latest/getting_started.html)
 * [Installing (Windows, Linux and macOS)](https://docs.espressif.com/projects/arduino-esp32/en/latest/installing.html)
@@ -36,6 +46,7 @@ Visit the [supported chips](https://docs.espressif.com/projects/arduino-esp32/en
 You can use [EspExceptionDecoder](https://github.com/me-no-dev/EspExceptionDecoder) to get meaningful call trace.
 
 ### 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 [Type: For reference](https://github.com/espressif/arduino-esp32/issues?q=is%3Aissue+label%3A%22Type%3A+For+reference%22+).
 
 Finally, if you are sure no one else had the issue, follow the **Issue template** or **Feature request template** while reporting any [new Issue](https://github.com/espressif/arduino-esp32/issues/new/choose).