adding some examples and wiki docs

.gitignore

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+.DS_Store

maps/template_continent.txt

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+Hill 6-12 10-20 10-90 10-90
+Hill 2-5 20-30 25-75 20-80
+Smooth 1 0 0 0
+Range 0-2 30-60 25-75 25-75
+Smooth 2 0 0 0
+Range 1-2 40-50 40-60 40-60
+Multiply 1.2 land 0 0
+Pit 1-3 10-30 30-70 20-80
+Trough 0-2 20-30 15-85 20-80
+Hill 2-4 10-25 15-85 20-80
+Smooth 3 0 0 0

maps/template_squarish.txt

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+Hill 2-3 10-25 20-30 20-30
+Hill 1-2 10-25 20-30 70-80
+Hill 2-3 10-25 70-80 20-30
+Hill 1-2 10-25 70-80 70-80
+Hill 6-12 10-20 30-70 30-70
+Smooth 1 0 0 0
+Hill 4-6 10-30 30-70 30-70
+Range 1-2 40-50 20-80 20-40
+Trough 1-2 10-30 15-85 40-80
+Pit 2-4 10-20 15-85 20-80
+Pit 1-2 20-30 25-75 60-80
+Smooth 3 0 0 0
+Range 0-2 40-50 15-85 20-80
+Trough 0-2 40-50 15-85 20-80