Monocle

• fix pbr crash
• allow shader override for modpacks

Update iris to 1.8.8

To enable modded shaders, set allowUnknownShaders=true in the iris config, or press control + G in the shader select menu.

add data essence and runology support

Allow Monocle to be loaded through SPL

update iris to 1.8.1

Update to iris release

First beta release. Works with iris beta 8.