WIP: feat(theme): BUGGED adopt materialize theme

[apetro]

Bugged in that this doesn't successfully adopt the theme.

Dunno what I'm doing here, so dunno what I'm doing wrong. This doesn't actually work.

Yields this lovely stack trace:

$ docker run -t --rm -v "$PWD":/usr/src/app -p "4000:4000" starefossen/github-pages
Traceback (most recent call last):
    15: from /usr/local/bundle/bin/jekyll:23:in `<main>'
    14: from /usr/local/bundle/bin/jekyll:23:in `load'
    13: from /usr/local/bundle/gems/jekyll-3.6.2/exe/jekyll:11:in `<top (required)>'
    12: from /usr/local/bundle/gems/jekyll-3.6.2/lib/jekyll/plugin_manager.rb:50:in `require_from_bundler'
    11: from /usr/local/lib/ruby/site_ruby/2.5.0/bundler.rb:107:in `setup'
    10: from /usr/local/lib/ruby/site_ruby/2.5.0/bundler/runtime.rb:20:in `setup'
     9: from /usr/local/lib/ruby/site_ruby/2.5.0/bundler/runtime.rb:108:in `block in definition_method'
     8: from /usr/local/lib/ruby/site_ruby/2.5.0/bundler/definition.rb:227:in `requested_specs'
     7: from /usr/local/lib/ruby/site_ruby/2.5.0/bundler/definition.rb:238:in `specs_for'
     6: from /usr/local/lib/ruby/site_ruby/2.5.0/bundler/definition.rb:171:in `specs'
     5: from /usr/local/lib/ruby/site_ruby/2.5.0/bundler/definition.rb:258:in `resolve'
     4: from /usr/local/lib/ruby/site_ruby/2.5.0/bundler/resolver.rb:22:in `resolve'
     3: from /usr/local/lib/ruby/site_ruby/2.5.0/bundler/resolver.rb:48:in `start'
     2: from /usr/local/lib/ruby/site_ruby/2.5.0/bundler/resolver.rb:257:in `verify_gemfile_dependencies_are_found!'
     1: from /usr/local/lib/ruby/site_ruby/2.5.0/bundler/resolver.rb:257:in `each'
/usr/local/lib/ruby/site_ruby/2.5.0/bundler/resolver.rb:289:in `block in verify_gemfile_dependencies_are_found!': Could not find gem 'materialize' in rubygems repository https://rubygems.org/ or installed locally. (Bundler::GemNotFound)
The source does not contain any versions of 'materialize'

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[ChristianMurphy]

Friendly ping @apetro