bug: Uploading images not implemented on web

[xkaper001]

🐛 Describe the bug

Uploading images (e.g. for posts or avatars.) is currently not supported on web. Attempting to do so results in the following error.

[xkaper001]

Although This can be implemented using the image_picker package. I suggest migrating from the image_picker to the file_picker package which has better features in comparison and is being updated more frequently to add more features.

I want to work on this @mdmohsin7.

[dikshantbhangala]

can i work on this @mdmohsin7 ???