Add TRO_INSERT command to hand-place new TRO markers

Lets the TRO menu insert a fresh TRO_SYM_<Typ> marker (point + type +
auto-suggested TROnn id) by reusing a block definition tro_annotate.py
already created, instead of only editing markers it placed.

lang/en_GB.json

@@ -659,6 +659,11 @@
     "tro-edit-hinweis": "Symbol and FB follow on the next tro_annotate.py run.",
     "tro-edit-id-leer": "The TRO id must not be empty - nothing changed.",
     "tro-edit-gespeichert": "\nTRO saved: ID = %1, TYPE = %2",
-    "tro-edit-typ-geaendert": "\nType changed - re-run tro_annotate.py so symbol and FB match."
+    "tro-edit-typ-geaendert": "\nType changed - re-run tro_annotate.py so symbol and FB match.",
+    "tro-insert-kein-typ": "No TRO types available (tro_types.lsp missing) - run lib/tro_annotate.py --emit-lisp.",
+    "tro-insert-hinweis": "The block shape must already exist in the drawing (from an earlier tro_annotate.py run).",
+    "tro-insert-kein-block": "No symbol for this type in the drawing (%1) - run tro_annotate.py with this type first.",
+    "tro-insert-prompt-punkt": "\nInsertion point: ",
+    "tro-insert-eingefuegt": "\nTRO inserted: ID = %1, TYPE = %2"
   }
 }