Add sbt plugin plus eclipse compatibility

.classpath

.project

build.sbt

project/plugins.sbt

...roject/target/config-classes/$3e1fbe7ed026d4ad5dd9$.class

...project/target/config-classes/$3e1fbe7ed026d4ad5dd9.cache

...project/target/config-classes/$3e1fbe7ed026d4ad5dd9.class

...roject/target/config-classes/$d6b574e6276f3a521e08$.class

...project/target/config-classes/$d6b574e6276f3a521e08.cache

...project/target/config-classes/$d6b574e6276f3a521e08.class

...onfig-classes/$18358540fb63e0a0fafb$$anonfun$root$1.class

...onfig-classes/$18358540fb63e0a0fafb$$anonfun$root$2.class

...onfig-classes/$18358540fb63e0a0fafb$$anonfun$root$3.class

...onfig-classes/$18358540fb63e0a0fafb$$anonfun$root$4.class

...onfig-classes/$18358540fb63e0a0fafb$$anonfun$root$5.class

...onfig-classes/$18358540fb63e0a0fafb$$anonfun$root$6.class

...onfig-classes/$18358540fb63e0a0fafb$$anonfun$root$7.class

...onfig-classes/$18358540fb63e0a0fafb$$anonfun$root$8.class

...onfig-classes/$18358540fb63e0a0fafb$$anonfun$root$9.class

project/target/config-classes/$18358540fb63e0a0fafb$.class