Expose Gift card balance

[Roshyo]

No description provided.

[codecov]

Codecov Report

Merging #144 (31cf532) into support-sylius-1-10 (287c43c) will increase coverage by 2.61%.
The diff coverage is 100.00%.

@@                    Coverage Diff                    @@
##             support-sylius-1-10     #144      +/-   ##
=========================================================
+ Coverage                  21.05%   23.66%   +2.61%     
- Complexity                   385      387       +2     
=========================================================
  Files                         71       72       +1     
  Lines                       1254     1259       +5     
=========================================================
+ Hits                         264      298      +34     
+ Misses                       990      961      -29     

Impacted Files	Coverage Δ
...rc/Api/Controller/Action/GiftCardBalanceAction.php	100.00% <100.00%> (ø)
src/Model/GiftCard.php	37.93% <0.00%> (+14.94%)	⬆️
src/Model/GiftCardBalance.php	38.46% <0.00%> (+38.46%)	⬆️
src/Model/GiftCardBalanceCollection.php	40.74% <0.00%> (+40.74%)	⬆️

---

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 287c43c...31cf532. Read the comment docs.