add getUserProfilePhotos method

[feralheart]

Documentation:

• getUserProfilePhotos
• getFile

[codecov]

Codecov Report

Merging #34 into master will decrease coverage by 3.2%.
The diff coverage is 0%.

@@             Coverage Diff              @@
##             master      #34      +/-   ##
============================================
- Coverage     77.68%   74.48%   -3.21%     
- Complexity      116      121       +5     
============================================
  Files            11       11              
  Lines           372      388      +16     
============================================
  Hits            289      289              
- Misses           83       99      +16

Impacted Files	Coverage Δ	Complexity Δ
src/TelegramDriver.php	84.88% <0%> (-8.71%)	50 <5> (+5)

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