fix(education): add deeperSections to dof-simulator skeleton to match sectioned JSON format

Author: kevinkiklee

src/lib/data/education/content-dof.ts

@@ -2,6 +2,7 @@ import type { ToolEducationSkeleton } from './types'
 
 export const DOF_CALCULATOR_SKELETON: ToolEducationSkeleton = {
   slug: 'dof-simulator',
+  deeperSections: 3,
   keyFactorCount: 4,
   tipCount: 3,
   tooltipKeys: ['focalLength', 'aperture', 'subjectDistance', 'sensor', 'nearFocus', 'farFocus', 'totalDoF', 'hyperfocal', 'backgroundBlur', 'isolationScore', 'bokehShape', 'diffractionWarning', 'coc', 'orientation'],