Restructure repository into administration and website areas

.gitignore

@@ -2,17 +2,17 @@
 .DS_Store
 
 # Local runtime files
-.offline-server.log
-.offline-server.pid
+administration/.offline-server.log
+administration/.offline-server.pid
 
 # Editor auth + reset + rate limit state (never commit)
-content/.editor-credentials.json
-content/.editor-reset.json
-content/.editor-rate-limit.json
+website/content/.editor-credentials.json
+website/content/.editor-reset.json
+website/content/.editor-rate-limit.json
 
 # Generated backups
 *.bak
-content/*.bak
+website/content/*.bak
 
 # Optional local tooling
 node_modules/