security: remove leaked production credentials from docs

Replace live Steadfast/Pathao/RedX/Paperfly/Google-Maps keys, Pathao login
and Paperfly basic-auth in README.md + MASTER_OPERATIONS_MANUAL.md with
<PLACEHOLDER> tokens. These belong in env/secrets, never in committed docs.
This commit is contained in:
2026-09-21 02:16:14 +06:00
parent 20e1b7d37f
commit 2e33056eb6

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