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Signed-off-by: Stefan Höhn <mail@stefanhoehn.com>

configuration/blockly/index.md

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 ## Introduction
 
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 ![built with Blockly](../images/blockly/built-with-blockly-badge-white.svg)
 
 The basic idea behind the visual paradigm and representation within openHAB is based on the [Google Blockly Support](https://g.co/dev/blockly) which has been integrated and which provides the basic blocks for programming like the ones on the left and the right side of the below images