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>

vendor/spatie/ignition/node_modules/micromark-util-decode-numeric-character-reference/index.js

@@ -0,0 +1,30 @@
+/**
+ * Turn the number (in string form as either hexa- or plain decimal) coming from
+ * a numeric character reference into a character.
+ *
+ * @param {string} value
+ *   Value to decode.
+ * @param {number} base
+ *   Numeric base.
+ * @returns {string}
+ */
+export function decodeNumericCharacterReference(value, base) {
+  const code = Number.parseInt(value, base)
+
+  if (
+    // C0 except for HT, LF, FF, CR, space
+    code < 9 ||
+    code === 11 ||
+    (code > 13 && code < 32) || // Control character (DEL) of the basic block and C1 controls.
+    (code > 126 && code < 160) || // Lone high surrogates and low surrogates.
+    (code > 55295 && code < 57344) || // Noncharacters.
+    (code > 64975 && code < 65008) ||
+    (code & 65535) === 65535 ||
+    (code & 65535) === 65534 || // Out of range
+    code > 1114111
+  ) {
+    return '\uFFFD'
+  }
+
+  return String.fromCharCode(code)
+}