write a top-level README for the repository

Author: mnikander

README.md

@@ -1,25 +1,6 @@
-# Learning TypeScript
+# Leetcode
 
-A collection of leetcode solutions in TypeScript.
-These are mostly ported from my corresponding JavaScript repository.
-The emphasis is NOT on efficient solutions, but on learning the basics of TypeScript.
+A collection of leetcode solutions written in several programming languages.
+Each folder contains its own readme with instructions how to build and execute the code.
+For the most part, the focus is on learning new languages or programming techniques, rather than on finding the fastest possible solution.
 
-## Getting started
-
-Install system dependencies:
-```bash
-sudo apt install nodejs npm
-```
-
-Clone, build, and run:
-```bash
-git clone ...  # this repo
-cd leetcode_typescript
-npx tsc hello_world.ts    # compile the hello world example
-node build/hello_world.js # run the hello world example
-npm test                  # execute unit tests
-npm test -- --coverage    # check the test coverage
-```
-
-## Learning resources
-- [W3 schools TypeScript tutorial](https://www.w3schools.com/typescript/index.php)

typescript/README.md

@@ -0,0 +1,25 @@
+# Learning TypeScript
+
+A collection of leetcode solutions in TypeScript.
+These are mostly ported from my corresponding JavaScript repository.
+The emphasis is NOT on efficient solutions, but on learning the basics of TypeScript.
+
+## Getting started
+
+Install system dependencies:
+```bash
+sudo apt install nodejs npm
+```
+
+Clone, build, and run:
+```bash
+git clone ...  # this repo
+cd leetcode_typescript
+npx tsc hello_world.ts    # compile the hello world example
+node build/hello_world.js # run the hello world example
+npm test                  # execute unit tests
+npm test -- --coverage    # check the test coverage
+```
+
+## Learning resources
+- [W3 schools TypeScript tutorial](https://www.w3schools.com/typescript/index.php)