storeUI.css added floating toolbar css, tinkered with print rules without much success, removed the page break rules

replaced block-content class with block-page to make clearer this is a block on the page,updated css to match, rewrote system prompt in store_helper.py to generate more targeted image prompts, adjuste template_update.html wit h newer prompting

add css for image-textarea and generate-image-button to set display:none when in page-container, updated block_builder.py and template_update.html to include image-textarea

prepping for merge to main. Added storeUI.css with @media and some cleanup in store_helper

Modified padding on .page width from 1.9cm to 1.2 cm, set classTable.frame width to 95%, set columnWrapper width to 100%, in storeUI.html moved buttons out of brewRenderer and to top layer of page-container

merging with script and storeUI.css