feat: add Ko-fi support buttons and fix Legacy link

- Added Ko-fi button to README Introduction section and bottom
- Added Ko-fi button to Nexus Mods detailed description
- Fixed Legacy link to point to correct Jackify-Temp repository
- Ko-fi buttons use proper GitHub button styling

README.md

@@ -2,7 +2,7 @@
 
 <div align="center">
 
-[Wiki](https://github.com/Omni-guides/Jackify/wiki) | [Download](https://www.nexusmods.com/site/mods/xxx) | [Wabbajack Discord](https://discord.gg/wabbajack) | [Jackify Issues](https://github.com/Omni-guides/Jackify/issues) | [Legacy Guides](Legacy/) | [Ko-fi](https://ko-fi.com/omni1)
+[Wiki](https://github.com/Omni-guides/Jackify/wiki) | [Download](https://www.nexusmods.com/site/mods/xxx) | [Wabbajack Discord](https://discord.gg/wabbajack) | [Jackify Issues](https://github.com/Omni-guides/Jackify/issues) | [Legacy Guides](https://github.com/Omni-guides/Jackify-Temp/tree/master/Legacy) | [Ko-fi](https://ko-fi.com/omni1)
 
 </div>
   
@@ -37,6 +37,8 @@ Jackify is an almost Linux-native application written in Python, with a GUI prod
 - Fully automate the configuration of the Steam shortcut, modlist paths, prefix components, launch options and various other tweaks required to run Wabbajack Modlists on Linux.
 - With both of the above combined, Jackify provides an end-to-end modlist installation and configuration process, automatically.
 
+[![ko-fi](https://ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/D1D8H8WBD)
+
 ## Features
 - Linux-First Python Application: Designed specifically for Linux with minimal external dependencies
 - Complete Modlist Workflow: Install from scratch, configure pre-downloaded modlists, or reconfigure existing modlists installations in Steam
@@ -143,4 +145,6 @@ At this early stage of development, where basic functionality is the primary foc
 
 ---
 
+[![ko-fi](https://ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/D1D8H8WBD)
+
 **Jackify** - Simplifying Wabbajack modlist installation and configuration on Linux