Move: Implement inspection which reports mismatch between package directive and containing directory

idea/testData/multiFileIntentions/moveFileToPackageMatchingDirectory/moveToNonDefaultDirectory/after/target/test.kt

@@ -0,0 +1,7 @@
+package target
+
+class Foo
+
+fun foo() {
+
+}

idea/testData/multiFileIntentions/moveFileToPackageMatchingDirectory/moveToNonDefaultDirectory/before/source/test.kt

@@ -0,0 +1,7 @@
+<caret>package target
+
+class Foo
+
+fun foo() {
+
+}

idea/testData/multiFileIntentions/moveFileToPackageMatchingDirectory/moveToNonDefaultDirectory/moveToNonDefaultDirectory.test

@@ -0,0 +1,5 @@
+{
+  "mainFile": "source/test.kt",
+  "intentionClass": "org.jetbrains.kotlin.idea.refactoring.move.changePackage.MoveFileToPackageMatchingDirectoryIntention",
+  "intentionText": "Move file to 'target'"
+}