Update ug v1.4

[shaokiat]

Closes #163 Closes #164

• Update Information note to be consistent with commands used
• Included a note section under command summary to indicate compulsory and optional inputs

I realized only edit command allows for parameters to be in any order.

Closes #162 Closes #151 Closes #150 Fixed spelling errors and missing words

Closes #167 Updated edit feature to have more clarity with the use of c/ and t/

Github Pages Deployment here: https://shaokiat.github.io/tp/UserGuide.html

[codecov-io]

Codecov Report

Merging #172 into master will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #172   +/-   ##
=========================================
  Coverage     75.53%   75.53%           
  Complexity      565      565           
=========================================
  Files            93       93           
  Lines          1713     1713           
  Branches        174      174           
=========================================
  Hits           1294     1294           
  Misses          338      338           
  Partials         81       81           

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