Fix relative URLs in manuals section.

Author: markjamesm

src/content/docs/reference/manuals.md

@@ -5,20 +5,20 @@ description: A collection of reference manuals for the Motorola 68000 microproce
 
 ## 680x0
 
-- [Motorola M68000 Family Programmer's Reference Manual](/public/pdf/M68000PRM.pdf)
+- [Motorola M68000 Family Programmer's Reference Manual](/pdf/M68000PRM.pdf)
 
 ## 68000 & 68010
 
-- [M68000 8-/16-/32-Bit Microprocessors User’s Manual (9th ed.)](/public/pdf/MC68000UM.pdf)
+- [M68000 8-/16-/32-Bit Microprocessors User’s Manual (9th ed.)](/pdf/MC68000UM.pdf)
 
 ## 68020
 
-- [MC68020 & MC68EC020 Microprocessors User's Manual (1st ed.)](/public/pdf/MC68020UM.pdf)
+- [MC68020 & MC68EC020 Microprocessors User's Manual (1st ed.)](/pdf/MC68020UM.pdf)
 
 ## 68030
 
-- [MC68030: Enhanced 32-Bit Microprocessor User's Manual](/public/pdf/MC68030UM.pdf)
+- [MC68030: Enhanced 32-Bit Microprocessor User's Manual](/pdf/MC68030UM.pdf)
 
 ## 68040
 
-- [MC68040 User's Manual](/public/pdf/MC68040UM.pdf)
+- [MC68040 User's Manual](/pdf/MC68040UM.pdf)