Update README.md (#42)

Signed-off-by: bRNS98 <82089915+bRNS98@users.noreply.github.com>

README.md

@@ -7,15 +7,15 @@ This projects aims to create a tool for easy calculation of operations research
 - [Usage](#usage)
 - [Supported problem types](#supported-problem-types)
 - [Contributing](#contributing)
-- [Licence](#licence)
+- [License](#license)
 - [Contact](#contact)
-- [Troubleshooting](#troubleshooting)
+- [Issues](#issues)
 
 ## Features
- - Export as LP (Linear Programming)
+ - Export as LP (Linear Programming) and  MPS(Mathematical Programming System)
  - Measuring elapsed real time 
  - Logging
- - Solving via GLPK and HiGHS
+ - Solving via GLPK
 
 ## Installation/Access
 ### Online
@@ -32,6 +32,11 @@ git clone https://github.com/Spaceholder-Programming/Operations-Research-Tool.gi
 Navigate towards the folder, where the project is located on your machine via terminal.
 Afterwards, execute the following command:
 
+```Bash
+npm install
+```
+This installs the necessary dependencies.
+Next execute:
 ```Bash
 npm build
 ```
@@ -45,7 +50,11 @@ You can access the tool via browser on your machine. The default port is 3000.
 If you can not reach the tool under [this link](http://localhost:3000), the default port is blocked and you have to check the terminal to get the correct port. 
 
 ## Usage
-ToDo
+The tool provides a user-friendly interface to solve operations research problems. You can access it locally after installation or through the web interface if hosted online.
+Solving a Problem
+Input your model data in the boxes (constraints, variables, objective functions).
+Click "Calculate" to see the results.
+
 ### Supported problem types
 + Linear
 + Mixed Integer
@@ -56,13 +65,13 @@ ToDo
 3. Implement your changes
 4. Push your branch: `git push origin featurename`
 5. Create a pull request
-# Licence
-This project is licensed under the [MIT License](https://github.com/Spaceholder-Programming/Operations-Research-Tool?tab=MIT-1-ov-file).
+# License
+This project is licensed under the [MPL-2.0 License](https://github.com/Spaceholder-Programming/Operations-Research-Tool?tab=MPL-2.0-1-ov-file).
 # Contact
 If you have the desire to contact the team behind this project, use the contact details on our GitHub accounts:
 + [bRNS98](https://github.com/bRNS98)
 + [moebiusl](https://github.com/moebiusl)
 + [SinusFox](https://github.com/SinusFox)
 + [widepoeppihappy](https://github.com/widepoeppihappy)
-# Troubleshooting
-If you find bug, please contact us by [creating an issue](https://github.com/Spaceholder-Programming/Operations-Research-Tool/issues/new).
+# Issues
+If you encounter a bug, please contact us by [creating an issue](https://github.com/Spaceholder-Programming/Operations-Research-Tool/issues/new).