Update Assembly_Manual_0.1.pdf (VoronDesign#76)

page 7 - corrected shim size
page 11 - tapped ends for f extrusion
page 35 - changed orientation for clarity
page 82 - fixed typo
page 89 - changed to BHCS
page 92,97,139,140 - corrected hex driver size
page 125 - fixed typo
page 146 - changed highlight for clarity

Update README.md

Give the README some love to be in line with the other Voron printer READMEs

fix issue#6 (VoronDesign#7)

* Delete V0_Extrusion_Drilling_Guide_x1.STL

* Add files via upload