docs: add 200 wiki articles across Finance, Inpatient, Theatre, LIMS, Pharmacy, Stores, and Admin modules
Covers:
- Finance: cashier operations, shifts, OPD/inpatient billing, credit company, payment schemes, QB integration, WHT, doctor payments, cash book, deposits, IOU, batch bills, package bills, refunds, reports
- Inpatient: admit/discharge workflow, EHR, room management, professional fees, billing, deposits, baby admission, nursing workbench, cancel admission, final bill
- Admin-Inpatient: admission types, room categories, fees, timed services, EHR discharge conditions, discount matrix, charge type labels, surgery types, privileges, config keys
- Theatre: surgery workflow, services, professional fees, pharmacy issues, timed services, stock transfers, reports
- Admin-Theatre: departments, surgery types, services, timed services, privileges
- LIMS: sampling, receiving, barcode, worksheets, results, microbiology, courier, admin setup (machines, reference ranges, antibiotics, report formats, collecting centres, value flags, investigation items/validation), TAT reports
- Pharmacy: procurement (PO, GRN, returns, supplier payments), dispensing, formulary, batch/expiry, barcode/ADC, billing, pack transactions/ward stock, clinical decision support
- Stores: overview, PO/GRN, stock issuance, adjustments, transfers, supplier management, reports
- Supply chain/inventory/asset overviews
- Wiki article index
- Updated existing Inpatient and LIMS pages