Build on Linux (Ubuntu) (RUNNING.md) (#143)

* Update RUNNING.md

I think is good now super big thanks to https://github.com/Polytelus on https://github.com/devos50/qemu-ios/issues/92 and ChatGPT lolz

* Update RUNNING.md

thanks for pointing it out https://github.com/MrDiagnose I didnt realise that

* Update RUNNING.md

thank you everyone for the build dir recommendation

* Update RUNNING.md

a little space for easier copying I hope

RUNNING.md

@@ -2,6 +2,18 @@
 
 This file contains the instructions on how to run the iPod Touch 2G emulator using QEMU.
 Note that this is an experimental release and the functionality of the device is still limited.
+Linux compatibility is currently unstable. Efforts are underway to improve it.
+
+### Getting the Source Code
+
+Clone the repository using the following commands:
+
+```
+git clone https://github.com/devos50/qemu-ios.git
+cd qemu-ios
+```
+
+Now you can proceed with the rest of the instructions for building and running the emulator.
 
 ### Building QEMU
 
@@ -23,14 +35,18 @@ Compile QEMU by running the following commands from the root directory:
 ```
 mkdir build
 cd build
+
 # On Intel Macs
-../configure --target-list=arm-softmmu --extra-cflags=-I/usr/local/opt/openssl@3/include --extra-ldflags='-L/usr/local/opt/openssl@3/lib -lcrypto'
+./configure --target-list=arm-softmmu --extra-cflags=-I/usr/local/opt/openssl@3/include --extra-ldflags='-L/usr/local/opt/openssl@3/lib -lcrypto'
 
 # On Apple Silicon Macs
-../configure --enable-sdl --target-list=arm-softmmu --disable-capstone --disable-pie --disable-slirp --extra-cflags=-I/opt/homebrew/opt/openssl@3/include --extra-ldflags='-L/opt/homebrew/opt/openssl@3/lib -lcrypto'
+./configure --enable-sdl --target-list=arm-softmmu --disable-capstone --disable-pie --disable-slirp --extra-cflags=-I/opt/homebrew/opt/openssl@3/include --extra-ldflags='-L/opt/homebrew/opt/openssl@3/lib -lcrypto'
+
+# On Linux (Ubuntu)
+./configure --enable-sdl --disable-cocoa --target-list=arm-softmmu --disable-capstone --disable-slirp --extra-cflags=-I/usr/include/openssl --extra-ldflags='-lcrypto' --disable-werror --enable-pie
 
 # On Microsoft Windows (with MINGW64)
-../configure --enable-sdl --disable-cocoa --target-list=arm-softmmu --disable-capstone --disable-slirp --disable-pie --extra-cflags=-I/mingw64/include/openssl --extra-ldflags='-L/mingw64/lib -lcrypto' --disable-stack-protector --disable-werror
+./configure --enable-sdl --disable-cocoa --target-list=arm-softmmu --disable-capstone --disable-slirp --disable-pie --extra-cflags=-I/mingw64/include/openssl --extra-ldflags='-L/mingw64/lib -lcrypto' --disable-stack-protector --disable-werror
 
 make
 ```