* feat(ghidra): make the startup deadline configurable
Large binaries (an 8 MB PE with about 20,000 functions) need more than the
fixed 330 s for import and full auto-analysis, so every first request timed
out. REA_GHIDRA_STARTUP_TIMEOUT_MS overrides the deadline in milliseconds;
absent, empty or invalid values keep the 330 s default.
* docs(ghidra): document REA_GHIDRA_STARTUP_TIMEOUT_MS
* fix(ghidra): parse startup deadlines through runtime configuration
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Co-authored-by: morluto <76467478+morluto@users.noreply.github.com>