adding data files

Signed-off-by: Felix Dumit <felix.dumit@gmail.com>
readData, powergrid, budget

Signed-off-by: Felix Dumit <felix.dumit@gmail.com>
collaboration function

Signed-off-by: Felix Dumit <felix.dumit@gmail.com>
Merge pull request #1 from felix-dumit/master

adding initial files, budget, cost, collaboration calculations