feat(new tool) AI prompt splitter

[gitmotion]

Fix: https://github.com/CorentinTh/it-tools/issues/1195 Added AI Prompt Splitter functionality:

• character limit input
• split counter shown on button and label (dynamically updates as input and/or character limit changes)
• shows the split prompts
• copy buttons for Instructions, Full Prompt, Final command, and dynamically generated Copy Parts button
• copy parts button shows as highlighted to keep track of what was already clicked
• clear button clears the Content input, split prompts input and copy parts buttons
• prompt content label includes text count
• accounts for [START PART X/Y] and [END PART X/Y] for each split to stay within character limit

[vercel[bot]]

@gitmotion is attempting to deploy a commit to the Corentin Thomasset's Team Team on Vercel.

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[sonarqubecloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud