Conversion Mod

[added] configuration gui for changing settings in game

[added] option to turn on or turn off the block filter if you want to use all blocks for replacing others

[added] option to turn on or turn off the welcome message which says thank you for using the Conversion Mod

[added] more forbidden blocks like bedrock, rails, redstone and some others

[added] possibility for changing the working grid of the conversion wand with the plus and minus key. Now you can change blocks in a 1x1, 3x3, 5x5, 7x7 and 9x9 matrix.

[added] keybindings for the functionality above.

[changed] configuration file structure (you should delete the old config file)

[changed] code for the configuration handler

[changed] code for the block filter

[changed] I deleted all unneeded API imports