new icon: materializecss (original, plain) (#1363)

* bump npm version to v2.15.1

* Add materializecss svg icon (devicons#1345)

* Add materializecss to devicon.json (devicons#1345)

* Fix: Rename materialize.svg to materializecss-original.svg

* Update tags

Co-authored-by: David Leal <halfpacho@gmail.com>

* Add plain as font

* Remove repeated tags

Co-authored-by: David Leal <halfpacho@gmail.com>

* Add plain to the svg

Co-authored-by: David Leal <halfpacho@gmail.com>

* Fix: Set viewBox in SVGs to '0 0 128 128'

* Update `materializecss-original.svg` sizing

* Update `materializecss-plain.svg` sizing

* Move materialize above materialui

* Fix `materializecss-plain.svg`

* Improve `materializecss-original.svg`

* Resized the icons to fit the frame

* Minimize the original and plain icons

* Fix: update features in minimizing

* Remove hairlines

Co-authored-by: Clemens Bastian <8781699+amacado@users.noreply.github.com>
Co-authored-by: Amacado <clemens.bastian@gmail.com>
Co-authored-by: Thomas Bui <43018778+Thomas-Boi@users.noreply.github.com>
Co-authored-by: David Leal <halfpacho@gmail.com>
Co-authored-by: Josélio Júnior <76992016+lunatic-fox@users.noreply.github.com>

icons/materializecss/materializecss-plain.svg

@@ -0,0 +1 @@
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