Initial import of LogDarioSeq baseline

Establishes version control for the personal Logseq DB fork before
starting the server-client architecture migration and domain features
described in docs/agent-guide and the approved implementation plan.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

libs/.prettierrc.js

@@ -0,0 +1,4 @@
+module.exports = {
+  ...require('prettier-config-standard'),
+  trailingComma: 'es5'
+}