Fix bin/publish: copy docs.dist from project root

Fix bin/publish: use correct .env path for rspade_system
Fix bin/publish script: prevent grep exit code 1 from terminating script

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Co-Authored-By: Claude <noreply@anthropic.com>

node_modules/svgo/bin/svgo

@@ -0,0 +1,10 @@
+#!/usr/bin/env node
+
+const colors = require('picocolors');
+const { program } = require('commander');
+const makeProgram = require('../lib/svgo/coa');
+makeProgram(program);
+program.parseAsync(process.argv).catch(error => {
+  console.error(colors.red(error.stack));
+  process.exit(1);
+});