Detect blur using Laplacian filter

[rubyruins]

Description:

Added a method to check and detect blur in all images provided by the user to check if the focus measure if below a certain threshold. The threshold used here is 100.

Type of change:

• [x] New feature (non-breaking change which adds functionality)

Checklist:

• [x] My code follows the style guidelines of this project.
• [x] I have performed a self-review of my own code.
• [x] I have commented my code, particularly in hard-to-understand areas.
• [x] My changes generate no new warnings.

Screenshots / Video:

[chebroluharika]

@rubyruins can you change message to show in console to “blurriness detected in [list of images]”. Do you want us to keep them or remove them. According to the output, please take a action

[rubyruins]

@chebroluharika I've made the changes