https://gitlab.synchro.net/main/sbbs/-/commit/0b19104335dba4b499f937fd
Modified Files:
src/doors/syncscumm/COMPILING.md README.md
Log Message:
syncscumm: make README BBS-agnostic; add Maniac Mansion install example

The README read as Synchronet-only. Reframe it around the fact that
SyncSCUMM is a standard DOOR32.SYS socket door (stdio also, on *nix) with
no Synchronet runtime dependency, so it runs under Mystic BBS or any
DOOR32.SYS BBS. Synchronet-only conveniences (the %-macro command line, install-xtrn.ini, SCFG menu names) are now labelled as such.

Add a full "Installing a game" worked example using Maniac Mansion (a commercial title, so the sysop supplies data files): general steps for
any DOOR32.SYS BBS, plus exact Synchronet SCFG field values (External
Programs -> Online Programs (Doors) -> section, I/O Method = Socket, BBS
Drop File Type = DOOR32.SYS, etc.).

Also correct the docs against the actual build:
- the produced binary is syncscumm, not scummvm (build.sh renames it),
in the intro and the "Produces build/..." line;
- COMPILING's "#ifdef _WIN32 only in the filesystem factory" claim was
understated -- syncscumm.cpp also has a Windows path-separator block;
- clarify jsexec/deploy.js are Synchronet-only, SBBSDATA is optional and
drives only diagnostics (no node-presence line), savepath has no
/saves subdir, and drop the redundant post-SCFG recycle step.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

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