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/@webassemblyjs/wast-printer/README.md

@@ -0,0 +1,17 @@
+# @webassemblyjs/wast-parser
+
+> WebAssembly text format printer
+
+## Installation
+
+```sh
+yarn add @webassemblyjs/wast-printer
+```
+
+## Usage
+
+```js
+import { print } from "@webassemblyjs/wast-printer"
+
+console.log(print(ast));
+```