Edge control Getting Started fixes (#104)

* Remove mention of library manager

* Add edge control getting started to list

* Fix incorrect image caption

Author: sebromero

content/tutorials/portenta-h7/ec-ard-gs/content.md

@@ -26,13 +26,13 @@ The Edge Control board is a versatile tool that allows agriculturalists to devel
 
 ## Instructions
 
-In this getting started tutorial you will set up the Edge Control board and blink an LED. You will first learn to install the core and download the library from the library manager. You will write a simple blink sketch using some fundamental APIs provided by the Arduino Edge Control Library. You will need to connect your board to an external power source and therefore have a LiPo battery or a power source with you when running the sketch. 
+In this getting started tutorial you will set up the Edge Control board and blink an LED. You will first learn to install the core from the Boards Manager. You will write a simple blink sketch using some fundamental APIs provided by the Arduino Edge Control Library. You will need to connect your board to an external power source and therefore have a LiPo battery or a power source with you when running the sketch. 
 
 ### 1. Get to Know the Board
 
 The Arduino Edge Control board is designed to address the needs of **precision farming**. It provides a low power control system and modular connectivity allows you to adapt the board to your specific farming needs. The following image gives you an overview of some of the core features of the board that you need to be aware of before you can get started with the board.  
 
-![Download the Core](assets/ec_ard_gs_board_topology.svg)
+![The board topology](assets/ec_ard_gs_board_topology.svg)
 
 **Terminal Blocks** allows you to connect up to 
 

content/tutorials/portenta-h7/metadata.json

@@ -19,6 +19,7 @@
      "por-ard-kvs",     
      "vs-ard-ttn",
      "por-ard-lvgl",
-     "vs-openmv-ml"
+     "vs-openmv-ml",
+     "ec-ard-gs"
     ]
  }