Add block
                    
                    
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                Instruction of usage:
                                    if you want to add new block, just press 
                                    
                            
                                        Add block
                                    
                                In order to edit an existing block, you just need to click on it . In the window that appears, make changes to your liking
In order to delete a block, click on it and click on the delete button
To change the order of blocks - just pull on the block you want to move, and release it in the place where you want to place the block
