diff --git a/.gitignore b/.gitignore
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--- a/.gitignore
+++ b/.gitignore
@@ -39,3 +39,6 @@ yarn-error.log*
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+
+# local sample photo library (not used in production)
+/src/assets/images/sample/
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diff --git a/public/images/banners/triple-special.jpg b/public/images/banners/triple-special.jpg
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diff --git a/public/images/categories/control.jpg b/public/images/categories/control.jpg
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diff --git a/public/images/categories/engine-room.jpg b/public/images/categories/engine-room.jpg
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diff --git a/public/images/categories/heating.jpg b/public/images/categories/heating.jpg
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diff --git a/public/images/categories/pool.jpg b/public/images/categories/pool.jpg
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diff --git a/public/images/categories/water.jpg b/public/images/categories/water.jpg
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diff --git a/public/images/page-header/header.jpg b/public/images/page-header/header.jpg
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diff --git a/public/images/slider/rooftop.jpg b/public/images/slider/rooftop.jpg
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diff --git a/public/images/slider/ventilation.jpg b/public/images/slider/ventilation.jpg
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diff --git a/public/images/units/design.png b/public/images/units/design.png
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diff --git a/public/images/units/sales.png b/public/images/units/sales.png
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diff --git a/public/images/units/service.png b/public/images/units/service.png
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diff --git a/src/assets/images/banners/dual-heating.jpg b/src/assets/images/banners/dual-heating.jpg
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diff --git a/src/assets/images/banners/triple-chiller.jpg b/src/assets/images/banners/triple-chiller.jpg
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diff --git a/src/assets/images/banners/triple-special.jpg b/src/assets/images/banners/triple-special.jpg
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diff --git a/src/assets/images/categories/control.jpg b/src/assets/images/categories/control.jpg
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diff --git a/src/assets/images/categories/cooling.jpg b/src/assets/images/categories/cooling.jpg
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diff --git a/src/assets/images/categories/engine-room.jpg b/src/assets/images/categories/engine-room.jpg
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diff --git a/src/assets/images/categories/heating.jpg b/src/assets/images/categories/heating.jpg
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diff --git a/src/assets/images/categories/pool.jpg b/src/assets/images/categories/pool.jpg
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diff --git a/src/assets/images/categories/water.jpg b/src/assets/images/categories/water.jpg
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diff --git a/src/assets/images/page-header/header.jpg b/src/assets/images/page-header/header.jpg
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