Add articles by Hamzah Hajeir // Resolve #112

Author: ivankravets

articles.rst

@@ -23,11 +23,15 @@ Here are recent articles/reviews about PlatformIO:
 2020
 ^^^^
 
+* Aug 30, 2020 - **Hamzah Hajeir** - `PlatformIO Part 4 : Ultimate features (عربي) <https://www.linkedin.com/pulse/platformio-part-4-ultimate-features-hamzah-hajeir/>`_
 * Aug 7, 2020 - **Benjamin Cabé** - `Connecting the Wio Terminal to Azure IoT <https://blog.benjamin-cabe.com/2020/08/05/connecting-the-wio-terminal-to-azure-iot>`_
 * Jul 15, 2020 - **Andreas Schmidt** - `IoT für Webentwickler: Unit Testing mit PlatformIO <https://entwickler.de/online/iot/iot-unit-testing-platformio-579863298.html>`_
 * Jun 22, 2020 - **Noud van Kruysbergen** - `RISC-V programmeren: met platform IO en microcontrollerboard <https://www.ct.nl/workshops/risc-v-programmeren-platform-io/>`_
 * Jun 22, 2020 - **Francesco Azzola** - `Run Tensorflow Lite on ESP32 from scratch: Easy guide (PlatformIO) <https://www.survivingwithandroid.com/run-tensorflow-lite-esp32-platformio/>`_
+* Jun 18, 2020 - **Hamzah Hajeir** - `PlatformIO Part 3 : Real Advancement (عربي) <https://www.linkedin.com/pulse/platformio-part-3-real-advancement-hamzah-hajeir/>`_
+* Jun 4, 2020 - **Hamzah Hajeir** - `PlatformIO Part 2 : The Professional Open-Source (عربي) <https://www.linkedin.com/pulse/platformio-part-2-professional-open-source-hamzah-hajeir/>`_
 * May 15, 2020 - **Francesco Azzola** - `ESP32 Rest API: How to implement an ESP32 API server using PlatformIO <https://www.survivingwithandroid.com/esp32-rest-api-esp32-api-server/>`_
+* May 13, 2020 - **Hamzah Hajeir** - `PlatformIO Part 1 : The Open Source Initiatives (عربي) <https://www.linkedin.com/pulse/platformio-part-1-open-source-initiatives-hamzah-hajeir/>`_
 * May 10, 2020 - **Michael Schnyder** - `Migrating from Arduino IDE to Visual Studio Code to PlatformIO <https://blog.emtwo.ch/2020/05/migrating-from-ardiuno-ide-to-visual.html>`_
 * Apr 25, 2020 - **Hans-Günther Nusseck** - `ESP WiFi Timeserver Synchronized Wrist Watch <https://www.hackster.io/hague/esp-wifi-timeserver-synchronized-wrist-watch-8940cd>`_
 * Apr 19, 2020 - **Jorge B. Aspiazu** - `How to work with the STM32 Blue Pill in PlatformIO and not die trying <https://medium.com/@jobenas_25464/how-to-work-with-the-stm32-blue-pill-in-platformio-and-not-die-trying-1700250e54e2>`_