Implemented the heat map for birds

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 32 lines in your changes missing coverage. Please review.

Project coverage is 58.64%. Comparing base (c515798) to head (7000877).

Files	Patch %	Lines
beakpeek/lib/Model/bird_map.dart	0.00%	30 Missing :warning:
...eekApi/Controllers/GuatengBirdSpeciesController.cs	0.00%	2 Missing :warning:

:exclamation: There is a different number of reports uploaded between BASE (c515798) and HEAD (7000877). Click for more details.

HEAD has 1 upload more than BASE

| Flag | BASE (c515798) | HEAD (7000877) | |------|------|------| ||1|2|

Additional details and impacted files

```diff @@ Coverage Diff @@ ## development #75 +/- ## ================================================ - Coverage 71.92% 58.64% -13.29% ================================================ Files 9 14 +5 Lines 374 515 +141 Branches 0 10 +10 ================================================ + Hits 269 302 +33 - Misses 105 213 +108 ```

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