Bump project version from 0.7.0 to 0.8.0

Giant update integrating all the changes from PR #18. Free surface source panels, tree summation, gmres solver, new multi-threading library, plotting functions, zero allocation potential evaluations and structs to keep everything organized and easy to use.

Author: weymouth

Project.toml

@@ -1,7 +1,7 @@
 name = "NeumannKelvin"
 uuid = "7f078b06-e5c4-4cf8-bb56-b92882a0ad03"
 authors = ["Gabriel Weymouth"]
-version = "0.7.0"
+version = "0.8.0"
 
 [deps]
 AcceleratedKernels = "6a4ca0a5-0e36-4168-a932-d9be78d558f1"