Implement simple "add to compilation" functionality for scripts

(incomplete import - scripts added to the compilation but not yet
imported into scope)
Base functionality needed for #KT-27960

libraries/scripting/jvm/src/kotlin/script/experimental/jvm/impl/BridgeDependenciesResolver.kt

@@ -44,11 +44,13 @@ class BridgeDependenciesResolver(
 
             val defaultImports = scriptCompilationConfiguration[ScriptCompilationConfiguration.defaultImports]?.toList() ?: emptyList()
 
-            fun ScriptCompilationConfiguration.toDependencies(classpath: List<File>): ScriptDependencies = ScriptDependencies(
-                classpath = classpath,
-                sources = this[ScriptCompilationConfiguration.ide.dependenciesSources].toClassPathOrEmpty(),
-                imports = defaultImports
-            )
+            fun ScriptCompilationConfiguration.toDependencies(classpath: List<File>): ScriptDependencies =
+                ScriptDependencies(
+                    classpath = classpath,
+                    sources = this[ScriptCompilationConfiguration.ide.dependenciesSources].toClassPathOrEmpty(),
+                    imports = defaultImports,
+                    scripts = this[ScriptCompilationConfiguration.importScripts].toFilesOrEmpty()
+                )
 
             val refineResults = scriptCompilationConfiguration.refineWith(
                 scriptCompilationConfiguration[ScriptCompilationConfiguration.refineConfigurationOnAnnotations]?.handler,
@@ -76,11 +78,8 @@ class BridgeDependenciesResolver(
             }
 
             return DependenciesResolver.ResolveResult.Success(
-                ScriptDependencies(
-                    classpath = newClasspath, // TODO: maybe it should return only increment from the initial config
-                    sources = refinedConfiguration[ScriptCompilationConfiguration.ide.dependenciesSources].toClassPathOrEmpty(),
-                    imports = defaultImports
-                ),
+                // TODO: consider returning only increment from the initial config
+                refinedConfiguration.toDependencies(newClasspath),
                 diagnostics
             )
         } catch (e: Throwable) {