Issues from WB review: Documentation

[stufraser1]

Documentation pages from WB User Guide Review - July 2025

To complete Aug/Sept 2025:

• amend text according to WB in-text edits
• Improve input template guidance #5
• [DOCS] update images #16
• Edit introduction #19
• [DOCS] update spreadsheet guidance #20
• [DOCS] Phase 1 updates #21
• [DOCS] guidance on input data #22

Lower priority:

• [DOCS] Integrate wb user guide #15
• [DOCS] structure improvements #23