Add libsodium license, even though the source is not really included in this repo, update cinterop def to point to absolute path (still missingfor linker)

EXTERNAL_LICENSES

@@ -0,0 +1,23 @@
+Libraries used by multipatform-crypto-delegated follow:
+
+Libsodium, licensed under ISC License
+
+/*
+* ISC License
+*
+* Copyright (c) 2013-2020
+* Frank Denis <j at pureftpd dot org>
+*
+* Permission to use, copy, modify, and/or distribute this software for any
+* purpose with or without fee is hereby granted, provided that the above
+* copyright notice and this permission notice appear in all copies.
+*
+* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+

multiplatform-crypto-delegated/build.gradle.kts

@@ -196,6 +196,7 @@ kotlin {
                 if (!name.contains("ios")) {
                     val libsodiumCinterop by cinterops.creating {
                         defFile(project.file("src/nativeInterop/cinterop/libsodium.def"))
+                        compilerOpts.add("-I${project.rootDir}/sodiumWrapper/include/")
                     }
                 }
             }

multiplatform-crypto-delegated/src/nativeInterop/cinterop/libsodium.def

@@ -1,6 +1,6 @@
 headers = sodium.h
 headerFilter = sodium.h sodium/**
 staticLibraries = libsodium.a
-libraryPaths = /home/ionspin/Projects/Future/sodiumWrapper/lib
-compilerOpts = -I/home/ionspin/Projects/Future/sodiumWrapper/include
+libraryPaths = sodiumWrapper/lib
+#compilerOpts = -I./sodiumWrapper/include
 linkerOpts =