issue 11 - configuration file support

[jonasbn]

• Initiated integration of configuration file
• Minor corrections to the documentation
• Removed some excess whitespace from the schema file.

Closed #11

[coveralls]

Pull Request Test Coverage Report for Build 4236005217

• 53 of 70 (75.71%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-5.4%) to 72.897%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
main.go	53	70	75.71%

Files with Coverage Reduction	New Missed Lines	%
main.go	1	72.9%

Totals
Change from base Build 4205106586:	-5.4%
Covered Lines:	156
Relevant Lines:	214

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💛 - Coveralls