punk::path globmatchpath argdoc: indent -nocase help continuations +2 (doc block consistency)

Continuation lines of the -nocase option help now carry the standard
2-extra-space indent used by argument -help blocks (per the
src/modules/AGENTS.md Procedure Documentation Template guide).
Indentation-only; render verified on punk91.

Assisted-by: harness=claude; primary-model=claude-fable-5; api-location=anthropic.com

src/modules/punk/path-999999.0a1.0.tm

@@ -943,11 +943,11 @@ match as literals (unlike Tcl glob patterns).}
         @opts
             -nocase -type boolean -default 0 -help  -&
                 "case insensitive matching (default false - case sensitive)
-                - except for the driveletter on windows paths: when -nocase is not
-                supplied, matching is case sensitive EXCEPT for a leading
-                driveletter (c:/ETC/* will match C:/ETC/blah but not C:/etc/blah).
-                Explicitly specifying -nocase 0 requires the entire case to match
-                including the driveletter."
+                  - except for the driveletter on windows paths: when -nocase is not
+                  supplied, matching is case sensitive EXCEPT for a leading
+                  driveletter (c:/ETC/* will match C:/ETC/blah but not C:/etc/blah).
+                  Explicitly specifying -nocase 0 requires the entire case to match
+                  including the driveletter."
         @values -min 0 -max 0
     }
     proc globmatchpath {pathglob path args} {