import bpy

class KH_OT_readthedocs(bpy.types.Operator):
    """Check online documentation for development"""

    bl_idname="kh.readthedocs"
    bl_label="Online documentation"
    bl_description="Go to Khanat Development Guide"
    bl_options= {"REGISTER", "UNDO"}

    def invoke (self, context, event):
        return self.execute(context)
    
    def execute(self, context):
        bpy.ops.wm.url_open("INVOKE_DEFAULT", url="https://git.numenaute.org/khaganat/mmorpg_khanat/khanat_gamedev_guide")
        return {"FINISHED"}