Add rpm installer for Linux

rpm/corsair_lcd_tool_v2.spec

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+Name:           corsair_lcd_tool_v2
+Version:        1.0.0
+Release:        1%{?dist}
+Summary:        Tool for managing Corsair LCDs via Python
+
+License:        MIT
+URL:            https://github.com/shutdown4life/corsair_lcd_tool_v2
+Source0:        %{name}-%{version}.tar.gz
+
+BuildArch:      noarch
+BuildRequires:  python3-devel
+Requires:       python3
+Requires:       python3-numpy
+Requires:       python3-opencv
+Requires:       python3-PyQt6
+Requires:       python3-PyYAML
+Requires:       python3-pyusb
+
+%description
+A Python-based tool to manage Corsair LCD screens. This package includes an installer script and a setup script that runs automatically upon installation.
+
+%prep
+%setup -q
+
+%build
+# No build step is required for plain Python and shell scripts
+
+%install
+rm -rf %{buildroot}
+mkdir -p %{buildroot}/usr/share/%{name}
+cp -a install.sh corsair_lcd_tool.py %{buildroot}/usr/share/%{name}/
+chmod +x %{buildroot}/usr/share/%{name}/install.sh
+chmod +x %{buildroot}/usr/share/%{name}/corsair_lcd_tool.py
+cp corsair-lcd-tool.png %{buildroot}/usr/share/%{name}/corsair-lcd-tool.png
+
+mkdir -p %{buildroot}/usr/share/applications
+cp corsair_lcd_tool.desktop %{buildroot}/usr/share/applications/
+
+mkdir -p %{buildroot}/usr/bin
+ln -sr %{buildroot}/usr/share/%{name}/install.sh %{buildroot}/usr/bin/%{name}-install
+ln -sr %{buildroot}/usr/share/%{name}/corsair_lcd_tool.py %{buildroot}/usr/bin/corsair-lcd-tool
+
+mkdir -p %{buildroot}/usr/share/icons/hicolor/48x48/apps
+cp corsair-lcd-tool.png %{buildroot}/usr/share/icons/hicolor/48x48/apps/corsair-lcd-tool.png
+
+%files
+%license LICENSE
+%doc README.md
+/usr/share/%{name}/install.sh
+/usr/share/%{name}/corsair_lcd_tool.py
+/usr/share/%{name}/corsair-lcd-tool.png
+/usr/bin/%{name}-install
+/usr/bin/corsair-lcd-tool
+/usr/share/applications/corsair_lcd_tool.desktop
+/usr/share/icons/hicolor/48x48/apps/corsair-lcd-tool.png
+
+%post
+echo "Running install.sh to set up udev rules..." > /tmp/corsair_lcd_tool_post.log
+/bin/bash /usr/share/%{name}/install.sh >> /tmp/corsair_lcd_tool_post.log 2>&1 || echo "install.sh failed" >> /tmp/corsair_lcd_tool_post.log
+
+%changelog
+* Thu Jun 19 2025 ShUtDoWn discord @shutdown4life - 1.0.0-1
+- Initial RPM release with automatic post-install script