Extract compound tokens and theming to compound-android library (#1888)

* Replace tokens & icons with the external Compound ones

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Co-authored-by: ElementBot <benoitm+elementbot@element.io>

settings.gradle.kts

@@ -79,3 +79,12 @@ fun includeProjects(directory: File, path: String, maxDepth: Int = 1) {
 includeProjects(File(rootDir, "features"), ":features")
 includeProjects(File(rootDir, "libraries"), ":libraries")
 includeProjects(File(rootDir, "services"), ":services")
+
+// Uncomment to include the compound-android module as a local dependency so you can work on it locally.
+// You will also need to clone it in the specified folder.
+//includeBuild("checkouts/compound-android") {
+//    dependencySubstitution {
+//        // substitute remote dependency with local module
+//        substitute(module("io.element.android:compound-android")).using(project(":compound"))
+//    }
+//}