Extracted a few UI actions into reusable use cases

domain/src/main/java/com/rtbishop/look4sat/domain/usecase/IOpenWebUrl.kt

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+package com.rtbishop.look4sat.domain.usecase
+
+interface IOpenWebUrl {
+    operator fun invoke(url: String)
+}

domain/src/main/java/com/rtbishop/look4sat/domain/usecase/IShowToast.kt

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+package com.rtbishop.look4sat.domain.usecase
+
+interface IShowToast {
+    operator fun invoke(message: String)
+}