Add newline to bottom of tsconfig files

Author: csantos42

tests/projects/empty-files/core/tsconfig.json

@@ -4,4 +4,4 @@
         "declaration": true,
         "declarationMap": true
     }
-}
+}

tests/projects/empty-files/no-references/tsconfig.json

@@ -6,4 +6,4 @@
         "declaration": true,
         "forceConsistentCasingInFileNames": true
     }
-}
+}

tests/projects/empty-files/with-references/tsconfig.json

@@ -8,4 +8,4 @@
         "declaration": true,
         "forceConsistentCasingInFileNames": true
     }
-}
+}