basic ports view (#115)

* basic ports view

* slight adjustement of rendering

libs/core/_locales/core-jsdoc-strings.json

@@ -32,6 +32,7 @@
   "brick.lightPattern": "Pattern block.",
   "brick.lightPattern|param|pattern": "the lights pattern to use. eg: LightsPattern.Green",
   "brick.print": "Show text on the screen.",
+  "brick.printPorts": "Prints the port states on the screen",
   "brick.print|param|text": "the text to print on the screen, eg: \"Hello world\"",
   "brick.print|param|x": "the starting position's x coordinate, eg: 0",
   "brick.print|param|y": "the starting position's x coordinate, eg: 0",

libs/core/_locales/core-strings.json

@@ -36,6 +36,7 @@
   "brick.buttonUp|block": "up",
   "brick.clearScreen|block": "`icons.brickDisplay` clear screen",
   "brick.lightPattern|block": "%pattern",
+  "brick.printPorts|block": "print ports",
   "brick.print|block": "`icons.brickDisplay` print %text| at x: %x| y: %y",
   "brick.setPixel|block": "`icons.brickDisplay` set pixel %on| at x: %x| y: %y",
   "brick.setStatusLight|block": "set `icons.brickButtons` to %pattern=led_pattern",