New feature to automatic switch the main background image between 3 different resolutions that better fit the user display.
Some stuff fixed
Update README.md

readme updated
Navbar fixed switch at 330px now
New Navbar style:
 - When fixed, the opacity is set to 0.85%
 - Black border to the bottom when Navbar is fixed
Added the gallery viewer and some jpg for the necessary testing.
Modified the original script with auto-width capatibility.
Z-index fixed to the navbar
ImageGallery
some code fixed
Merge branch 'develop' into feature/navbar

* develop:
  ImageGallery some code fixed
  Added the gallery viewer and some jpg for the necessary testing. Modified the original script with auto-width capatibility.
test commit
Some CSS improvements to the Navbar
- Button size reduced
Material folder removed from Develop
Added a linkedin button
Added the css side of the linkedin button.
Corrected the social link with a proper target and destination.
Corrected the social bg color of fb and linkedin
Corrected the border color of fb and linkedin buttons
Merge branch 'develop' into feature/navbar

* develop:
  Material folder removed from Develop
Merge branch 'develop' into feature/linkedin

* develop:
  Some CSS improvements to the Navbar - Button size reduced
LightGallery implementation
About section
LightGallery improvements
control buttons
Responsive gallery