Reduce minWidth slightly to make split screen use easier

It appears to work correctly at 1920x1080 for me anyway, but some users
have reported issues, and there's certainly a little slack to reduce
this before we really run into issues where we want to block shrinking
the window entirely.

Author: pimterry

src/index.ts

@@ -68,7 +68,7 @@ const createWindow = (logStream: WriteStream) => {
         title: 'HTTP Toolkit',
         backgroundColor: '#d8e2e6',
 
-        minWidth: 1024,
+        minWidth: 960, // I.e. half of a 1920 (1080p) monitor
         minHeight: 700,
 
         x: windowState.x,