v0.3.0

Update focused on fine tuning some of the placeholder content

+ Added placement validations for draggable and ploppable structures
+ Added delete structure functionality
+ Added factory relevant sprites (but will be subject to improvement in the future)
+ Camera improvements

What's Changed

• ✨ Add support for multi tile objects by @chdonncha in #26
• ✨ Add Iron, Gold and Coal clumps to spawn on map randomly by @chdonncha in #27
• ✨ Add delete object button by @chdonncha in #28
• ✨ 🍱 Add basic assembler 2x2 assets by @chdonncha in #29
• ✨ Update default zoom value by @chdonncha in #30
• ✨ ♻️ 🐛 Prevent building on water by @chdonncha in #31

Full Changelog: v0.2.0...v0.3.0