Rebrand aesthetics

[bryanwee023]

This PR re-skins BogoBogo. Opting out the dark theme for a lighter purple aesthetic.

[codecov-commenter]

Codecov Report

Merging #195 (227287f) into master (267a041) will increase coverage by 2.98%.
The diff coverage is 50.00%.

@@             Coverage Diff              @@
##             master     #195      +/-   ##
============================================
+ Coverage     71.44%   74.42%   +2.98%     
- Complexity      739      769      +30     
============================================
  Files            99       99              
  Lines          2150     2170      +20     
  Branches        298      305       +7     
============================================
+ Hits           1536     1615      +79     
+ Misses          497      431      -66     
- Partials        117      124       +7     

Impacted Files	Coverage Δ
...ain/java/seedu/address/model/display/ItemCard.java	0.00% <0.00%> (ø)
src/main/java/seedu/address/model/item/Item.java	65.15% <100.00%> (ø)
src/main/java/seedu/address/model/BookKeeping.java	78.78% <0.00%> (-21.22%)	⬇️
...main/java/seedu/address/model/TransactionList.java	78.94% <0.00%> (-21.06%)	⬇️
...a/seedu/address/model/order/TransactionRecord.java	83.33% <0.00%> (-8.98%)	⬇️
.../java/seedu/address/model/display/DisplayList.java	73.07% <0.00%> (-7.70%)	⬇️
.../address/logic/parser/AddToOrderCommandParser.java	70.00% <0.00%> (-2.73%)	⬇️
.../seedu/address/logic/parser/ArgumentTokenizer.java	96.96% <0.00%> (-0.40%)	⬇️
...rc/main/java/seedu/address/model/ModelManager.java	85.29% <0.00%> (ø)
.../seedu/address/logic/parser/FindCommandParser.java	90.47% <0.00%> (ø)
... and 11 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 267a041...227287f. Read the comment docs.