Added Sequel ORM for database handling; added navbar

src/models/benchmark.rb

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+class Benchmark < Sequel::Model
+
+  one_to_many :results
+
+end

src/models/hardware.rb

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+class Hardware < Sequel::Model(:hardware)
+
+  one_to_many :results
+
+end

src/models/init.rb

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+require_relative 'hardware'
+require_relative 'benchmark'
+require_relative 'result'

src/models/result.rb

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+class Result < Sequel::Model
+
+  many_to_one :hardware
+  many_to_one :benchmarks
+
+end