[ISSUE FIX: 154] Added meme generator feature enhancements and caption problem solved

[JwelSrivastava]

🧠 Summary

This PR solves the issue #154

This PR enhances the Meme Generator by fixing the caption rendering issue and introducing canvas-based meme generation.
Users can now generate memes directly in the browser with captions perfectly overlaid on templates — no external API credentials required.

🚀 What’s New

✅ Canvas-Based Meme Rendering

Captions are drawn directly on the meme using HTML5 Canvas

Eliminates dependency on missing Imgflip credentials

Works fully offline and instantly previews the meme

✅ Smart Caption Handling

Auto text wrapping for long captions

Dynamic placement (top/bottom or multi-position)

Classic meme style (white Impact text with black border)

Uppercase transformation for bold meme aesthetics

✅ Improved UX

Instant meme preview

Seamless fallback if canvas rendering fails

Faster meme generation without API delays

🎥 Demo Video

Recording.2025-10-30.155546.mp4

🎉 Hacktoberfest 2025 Contribution ✨
Proud to contribute to open source this Hacktoberfest! 💪

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