Added Support for AngularDart plus extensions

[KingDarBoja]

Fixes #1861

Changes proposed:

• Add
• Delete
• Fix
• Prepare

Just added the Dart icon at the right bottom side of the current angular icons. I still provided all of them just in case. The little white line behind the Dart icon was to give it a slighty difference with the big Angular one when having same colours as happens with the ng_service one.

[codecov]

Codecov Report

Merging #1863 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #1863   +/-   ##
======================================
  Coverage     100%    100%           
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  Files          75      75           
  Lines        5625    5625           
  Branches      220     220           
======================================
  Hits         5625    5625

Impacted Files	Coverage Δ
src/iconsManifest/supportedExtensions.ts	100% <ø> (ø)	⬆️

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[JimiC]

As @robertohuertasm mentioned here AngularDart icon is not necessary and better remove it.
The icons need adjustments to the dart icon. Specifically, the guideline is that the icon should not pass over the horizontal line of the letter A but it can extend to the bottom-right up to the 'shield' outer limits.

[JimiC]

Also to prevent future conflicts the names should be using the dart word instead of dt (i.e. ng_component_dart). The reasoning is that the file extension is dart and not dt.

[KingDarBoja]

Also to prevent future conflicts the names should be using the dart word instead of dt (i.e. ng_component_dart). The reasoning is that the file extension is dart and not dt.

Okay, I will rename it as soon as I get time, same goes for removing the AngularDart one 👍

As @robertohuertasm mentioned here AngularDart icon is not necessary and better remove it.
The icons need adjustments to the dart icon. Specifically, the guideline is that the icon should not pass over the horizontal line of the letter A but it can extend to the bottom-right up to the 'shield' outer limits.

Ah, basically place it at the limits of the shield without hidding the horizontal line. Gonna try shrinking the Dart logo to see how it looks but I am afraid of it being too small to be distinguishable.

[JimiC]

@robertohuertasm is your man. He created the Angular icons in the first place.

[robertohuertasm]

Great job @KingDarBoja with those dart icons!