Start of Analyzer for Bird Watcher

[pertrai1]

Based on the below from design doc - https://github.com/exercism/javascript/blob/main/exercises/concept/bird-watcher/.meta/design.md

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• [x] For all tasks check that the student actually used a for loop.

totalBirdCount

• [ ] Verify that the condition is written with < x.length instead of <= y.length -1.
• [x] Check whether a shorthand assignment += was used to increase the sum (non-essential feedback).
• [x] Verify the total was properly initialized with 0 instead of e.g. null
• [x] Verify the increment operator was used in loop header step

birdsInWeek

• [ ] Verify a helper variable was used instead of duplicating the calculation in the initialization and condition of the loop
• [ ] Other checks should be the same as for totalBirdCount

fixBirdCountLog

• [x] Check that no if-statement was used (it is not necessary if the step size was set correctly), type actionable
• [x] Check whether a shorthand assignment += was used to increase the loop counter (non-essential feedback)
• [x] Check whether the increment operator was used in the loop body

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• [ ] modify index.ts for output
• [ ] create custom comments where needed