fix figure resolutions/colors/sizes

[mikabr]

• [x] index.qmd
• [x] 001-experiments.qmd
• [x] 002-theories.qmd
• [x] 003-replication.qmd
• [x] 005-estimation.qmd
• [x] 006-inference.qmd
• [x] 007-models.qmd
• [x] 008-measurement.qmd
• [x] 009-design.qmd
• [x] 010-sampling.qmd
• [x] 011-prereg.qmd
• [x] 012-collection.qmd
• [x] 013-management.qmd
• [x] 014-writing.qmd
• [x] 015-viz.qmd
• [x] 016-meta.qmd