KTL-2775 specify script content for the kmp documentation build

Author: Quattro8

.teamcity/documentation/builds/KotlinMultiplatform.kt

@@ -37,7 +37,9 @@ object KotlinMultiplatform: BuildType ({
 //        }
         script {
             name = "Build KMP Documentation with the docker"
-            scriptContent = """"""
+            scriptContent = """
+                docker run
+            """.trimIndent()
             dockerImage = "registry.jetbrains.team/p/writerside/builder/writerside-builder:$dockerImageTag"
             dockerRunParameters = """
                 --rm -v %teamcity.build.checkoutDir%:/opt/sources \