separate interceptors; added language interceptor for api responses

core/common/src/main/kotlin/com/meloda/app/fast/common/ApiLanguage.kt

@@ -0,0 +1,3 @@
+package com.meloda.app.fast.common
+
+data class ApiLanguage(val value: String)

core/common/src/main/kotlin/com/meloda/app/fast/common/AuthInterceptor.kt

@@ -1,31 +0,0 @@
-package com.meloda.app.fast.common
-
-import androidx.core.net.toUri
-import okhttp3.Interceptor
-import okhttp3.Response
-import java.net.URLEncoder
-
-class AuthInterceptor : Interceptor {
-
-    override fun intercept(chain: Interceptor.Chain): Response {
-        val builder = chain.request().url.newBuilder()
-
-        val uri = builder.build().toUri().toString().toUri()
-
-        if (uri.getQueryParameter("v") == null) {
-            builder.addQueryParameter(
-                name = "v",
-                value = URLEncoder.encode(AppConstants.API_VERSION, "utf-8")
-            )
-        }
-
-        if (UserConfig.accessToken.isNotBlank()) {
-            builder.addQueryParameter(
-                "access_token",
-                URLEncoder.encode(UserConfig.accessToken, "utf-8")
-            )
-        }
-
-        return chain.proceed(chain.request().newBuilder().apply { url(builder.build()) }.build())
-    }
-}

core/common/src/main/kotlin/com/meloda/app/fast/common/provider/Provider.kt

@@ -0,0 +1,5 @@
+package com.meloda.app.fast.common.provider
+
+interface Provider<T> {
+    fun provide(): T?
+}