update all references to nullxnothing, clean up temp files

Author: nullxnothing

.github/FUNDING.yml

@@ -1 +1 @@
-github: shillshady
+github: nullxnothing

CONTRIBUTING.md

@@ -5,7 +5,7 @@ Thanks for your interest in contributing.
 ## Getting Started
 
 ```bash
-git clone https://github.com/shillshady/solblade.git
+git clone https://github.com/nullxnothing/solblade.git
 cd solblade
 bun install
 bun run dev

README.md

@@ -8,11 +8,11 @@
 </p>
 
 <p align="center">
-  <a href="https://github.com/shillshady/solblade/actions/workflows/ci.yml"><img src="https://img.shields.io/github/actions/workflow/status/shillshady/solblade/ci.yml?style=flat-square&label=CI" alt="CI" /></a>
+  <a href="https://github.com/nullxnothing/solblade/actions/workflows/ci.yml"><img src="https://img.shields.io/github/actions/workflow/status/nullxnothing/solblade/ci.yml?style=flat-square&label=CI" alt="CI" /></a>
   <a href="https://opensource.org/licenses/MIT"><img src="https://img.shields.io/badge/license-MIT-blue?style=flat-square" alt="license" /></a>
   <a href="https://bun.sh"><img src="https://img.shields.io/badge/runtime-Bun-f472b6?style=flat-square" alt="bun" /></a>
   <a href="https://modelcontextprotocol.io"><img src="https://img.shields.io/badge/protocol-MCP-7c3aed?style=flat-square" alt="MCP" /></a>
-  <a href="https://github.com/shillshady/solblade/stargazers"><img src="https://img.shields.io/github/stars/shillshady/solblade?style=flat-square&color=f5c542" alt="stars" /></a>
+  <a href="https://github.com/nullxnothing/solblade/stargazers"><img src="https://img.shields.io/github/stars/nullxnothing/solblade?style=flat-square&color=f5c542" alt="stars" /></a>
 </p>
 
 <p align="center">
@@ -317,7 +317,7 @@ See [`docs/MCP_ARCHITECTURE.md`](docs/MCP_ARCHITECTURE.md) for the full MCP serv
 ## Development
 
 ```bash
-git clone https://github.com/shillshady/solblade.git
+git clone https://github.com/nullxnothing/solblade.git
 cd solblade
 bun install
 bun run dev

SECURITY.md

@@ -10,7 +10,7 @@
 
 If you discover a security vulnerability in Solblade, **do not open a public issue**.
 
-Instead, please report it privately by emailing **shillshady@proton.me** with:
+Instead, please report it privately by emailing **nullxnothing@proton.me** with:
 
 - Description of the vulnerability
 - Steps to reproduce