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/iconv-lite/encodings/index.js

@@ -0,0 +1,22 @@
+"use strict";
+
+// Update this array if you add/rename/remove files in this directory.
+// We support Browserify by skipping automatic module discovery and requiring modules directly.
+var modules = [
+    require("./internal"),
+    require("./utf16"),
+    require("./utf7"),
+    require("./sbcs-codec"),
+    require("./sbcs-data"),
+    require("./sbcs-data-generated"),
+    require("./dbcs-codec"),
+    require("./dbcs-data"),
+];
+
+// Put all encoding/alias/codec definitions to single object and export it. 
+for (var i = 0; i < modules.length; i++) {
+    var module = modules[i];
+    for (var enc in module)
+        if (Object.prototype.hasOwnProperty.call(module, enc))
+            exports[enc] = module[enc];
+}