Started adding design manifest to docs

Current progress, added so far manifest table of contents page, introduction, dictionary, workflows
Completed copy and pasting forms
Moved image to img folder
Completed copying and pasting user interfaces. Closes #184
Corrected indentation errors
Updated toc tree with missing vocabulary link
Deleted empty & useless docs
Merge branch 'master' of github.com:eHealthAfrica/LMIS