What are the differences between String and string types in TypeScript?

Hello everyone! I just started learning TypeScript and encountered a confusing situation. In the documentation and various examples, I see two different types used for declaring string variables: `String` and `string`. For example: ```typescript let name1: string = "Alice"; let name2: String = "Bob"; ``` Both options seem to work, and the code compiles without errors. But I noticed that if I use `String` (with a capital letter), TypeScript sometimes behaves strangely. For example, I tried writing this: ```typescript let greeting: String = new String("Hello"); let message: string = "World"; // But this doesn't work: // let result: string = greeting + message; // Error? ``` Even though in JavaScript everything would work fine. I also saw that some developers get upset when someone uses...