updated readme

README.md

@@ -4,22 +4,46 @@ A simple C++ program that owofies text
 
 ## Usage
 
+### normal usage:
 ```bash
 $ ./owo "Hello, world!"
 Hewwo, wowld!
 ```
 
-## Building
+### from pipe / stdin:
+```bash
+$ echo "Hello, world!" | ./owo -p
+Hewwo, wowld!
+```
 
+### from file:
+```bash
+$ ./owo -f file.txt
+Hewwo, wowld!
+```
+
+### to file:
+```bash
+$ ./owo -o output.txt "Hello, world!"
+```
+
+## Building
+to build the program, run the following command (note that you need g++ installed):
 ```bash
 $ g++ -o owo owo.cpp
 ```
 
 ## Installation
 
-archlinux:
+### archlinux:
 ```bash
 $ git clone `https://git.alfieking.dev/acetheking987/term-owo-cpp.git`
 $ cd term-owo-cpp
 $ makepkg -si
-```
+```
+
+### other distros:
+download the binary from the releases page or build from source
+
+## License
+This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details