docs: audit 0.8.0 wiki accuracy
Place API examples before field references
Improve API reference coverage and organization
docs(lua): document entities and refresh API references Document entity declarations, lifecycle, data, physics, multipart shapes, AI, presentation, networking behavior, spawning, inventories, and action-context methods, including repeatable configured loot and direct item drops. Link the new examples and update related model, audio, item, callback, asset-path, key-format, and compatibility guidance while correcting malformed characters across the affected pages.
overhauled wiki to match 0.6.0 features