Update UG for bids, added Junit tests for bid storage and parser, added auto sort to EditBidCommand

[Marcon2509]

updated the ug commands for bid

[codecov-io]

Codecov Report

Merging #200 into master will increase coverage by 2.21%.
The diff coverage is 91.66%.

@@             Coverage Diff              @@
##             master     #200      +/-   ##
============================================
+ Coverage     57.89%   60.10%   +2.21%     
- Complexity     1086     1122      +36     
============================================
  Files           203      203              
  Lines          4220     4224       +4     
  Branches        544      546       +2     
============================================
+ Hits           2443     2539      +96     
+ Misses         1623     1536      -87     
+ Partials        154      149       -5     

Impacted Files	Coverage Δ	Complexity Δ
...ress/logic/commands/bidcommands/AddBidCommand.java	100.00% <ø> (ø)	8.00 <0.00> (ø)
src/main/java/seedu/address/model/Model.java	100.00% <ø> (ø)	2.00 <0.00> (ø)
...in/java/seedu/address/model/bid/UniqueBidList.java	85.36% <ø> (ø)	18.00 <0.00> (ø)
...main/java/seedu/address/model/bidbook/BidBook.java	88.00% <ø> (ø)	11.00 <0.00> (ø)
...ddress/model/bid/BidContainsKeywordsPredicate.java	81.81% <66.66%> (+4.04%)	10.00 <2.00> (+2.00)
...ess/logic/commands/bidcommands/EditBidCommand.java	86.20% <100.00%> (+1.99%)	13.00 <0.00> (+1.00)
...rc/main/java/seedu/address/model/ModelManager.java	76.47% <100.00%> (+0.25%)	62.00 <1.00> (ø)
src/main/java/seedu/address/model/bid/Bid.java	96.77% <100.00%> (ø)	17.00 <0.00> (ø)
...edu/address/storage/bidstorage/JsonAdaptedBid.java	100.00% <100.00%> (+62.50%)	8.00 <0.00> (+6.00)
... and 9 more

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