Rename plugin namespace from jandieman to dotjuice

Updates manifest id/author, the QML moduleName/ipcTarget, and every
doc reference to match.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MLfSWFEMyY85ZDWEYicdaF

manifest.json

@@ -1,9 +1,9 @@
 {
   "schemaVersion": 1,
-  "id": "jandieman.hypr-rdp",
+  "id": "dotjuice.hypr-rdp",
   "name": "hypr-rdp Control",
   "version": "1.0.0",
-  "author": "jandieman",
+  "author": "dotjuice",
   "description": "Install, start/stop, and configure hypr-rdp from the bar. Keeps its headless monitor isolated to a dedicated workspace by default, with a toggle to let it behave like a normal display, plus a read-only view of what's on that workspace.",
   "kinds": ["bar-widget"],
   "entryPoints": {