chore(assets): reorganise project files and add exported pages

- Move Bootstrap Studio design file into assets/bootstrap
- Rename and relocate screenshots into assets/screenshot with kebab-case names
- Add generated export HTML pages for simulators and site content
- Preserve existing content with no functional changes to simulators

Signed-off-by: Alexander Davis <alex@adcm.uk>

export/assets/css/Slider-Range.css

@@ -0,0 +1,29 @@
+.slidecontainer {
+  width: 100%;
+}
+
+.slider {
+  -webkit-appearance: none;
+  width: 100%;
+  height: 25px;
+  background: #d3d3d3;
+  outline: none;
+  opacity: 0.7;
+  -webkit-transition: .2s;
+  transition: opacity .2s;
+}
+
+.slider:hover {
+  opacity: 1;
+}
+
+.customiserButtons {
+  background-color: var(--bs-btn-active-bg) !important;
+  border-color: var(--bs-btn-active-border-color) !important;
+}
+
+.customiserButtons:hover {
+  background-color: #198754 !important;
+  border-color: #198754 !important;
+}
+