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

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

node_modules/adjust-sourcemap-loader/codec/index.js

@@ -0,0 +1,14 @@
+module.exports = [
+  require('./webpack-protocol'),
+  require('./webpack-bootstrap'),
+  require('./bower-component'),
+  require('./npm-module'),
+  /* insert here any additional special character CODECs */
+  require('./output-relative'),
+  require('./output-root-relative'),
+  require('./project-relative'),
+  require('./project-root-relative'),
+  require('./source-relative'),
+  require('./source-root-relative'),
+  require('./absolute')
+];