rename: slopsmith -> feedBack, byron -> got-feedBack

Renames across the entire codebase:
- slopsmith/Slopsmith/SLOPSMITH/SlopSmith -> feedBack/FeedBack/FEEDBACK/FeedBack
- byron/Byron/Byrongamatos -> got-feedBack/got-feedBack/got-feedBack
- /home/byron/ -> /opt/got-feedBack/
- byron@ougsoft.com -> hi@got-feedBack.org
- github.com/byrongamatos/ -> github.com/got-feedback/
- com.byron. -> com.got-feedback.
- SLOPSMITH_ env vars -> FEEDBACK_ with backward-compat fallback
- Protocol/storage strings migrated with read-old/write-new pattern
- window.slopsmith JS API -> window.feedBack (canonical) + backward-compat alias

Refs: #rename-slopsmith

.github/workflows/ci.yml

@@ -39,7 +39,7 @@ jobs:
             first=$(printf '%s\n' "$hits" | head -n1)
             file=$(printf '%s' "$first" | cut -d: -f1)
             line=$(printf '%s' "$first" | cut -d: -f2)
-            echo "::error file=${file},line=${line}::print() or traceback.print_exc() found in server.py, lib/, or a bundled plugin routes.py. Use the slopsmith logger (lib/logging_setup.py) — see issues #155 / #242."
+            echo "::error file=${file},line=${line}::print() or traceback.print_exc() found in server.py, lib/, or a bundled plugin routes.py. Use the feedBack logger (lib/logging_setup.py) — see issues #155 / #242."
             exit 1
           fi
 
@@ -56,7 +56,7 @@ jobs:
 
   tailwind-fresh:
     # Guard that the committed static/tailwind.min.css is in sync with source.
-    # The Play CDN's runtime JIT was removed (slopsmith-desktop#110); a prebuilt
+    # The Play CDN's runtime JIT was removed (feedBack-desktop#110); a prebuilt
     # stylesheet only contains classes the scanner saw at build time, so stale
     # CSS silently ships unstyled elements. Rebuild and fail on any diff.
     name: tailwind-fresh