Add package-info.java with null-safety annotations

This new file includes annotations to enforce non-null default behavior for types, fields, methods, and parameters. It improves code robustness by ensuring that null values are not implicitly allowed.

src/main/java/net/thenextlvl/arkitektonika/version/package-info.java

@@ -0,0 +1,10 @@
+@TypesAreNotNullByDefault
+@FieldsAreNotNullByDefault
+@MethodsReturnNotNullByDefault
+@ParametersAreNotNullByDefault
+package net.thenextlvl.arkitektonika.version;
+
+import core.annotation.FieldsAreNotNullByDefault;
+import core.annotation.MethodsReturnNotNullByDefault;
+import core.annotation.ParametersAreNotNullByDefault;
+import core.annotation.TypesAreNotNullByDefault;