Tempo API wrap from API Specs

[gonchik]

Added the following API docs
https://www.tempo.io/server-api-documentation/planner?hsLang=en
https://www.tempo.io/server-api-documentation/budgets?hsLang=en
https://www.tempo.io/server-api-documentation/timesheets?hsLang=en
https://www.tempo.io/server-api-documentation/servlet?hsLang=en
https://github.com/tempo-io/tempo-events-example/blob/master/README.md
https://github.com/tempo-io/tempo-client-events/blob/master/README.md

[gonchik]

#446

[codecov]

Codecov Report

❌ Patch coverage is 87.14734% with 41 lines in your changes missing coverage. Please review.
✅ Project coverage is 30.45%. Comparing base (e1952ea) to head (9a3305b).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
atlassian/tempo/server/timesheets.py	69.56%	7 Missing ⚠️
atlassian/tempo/server/events.py	71.42%	6 Missing ⚠️
atlassian/tempo/server/teams.py	71.42%	6 Missing ⚠️
atlassian/tempo/server/servlet.py	73.68%	5 Missing ⚠️
atlassian/tempo/server/budgets.py	76.47%	4 Missing ⚠️
atlassian/tempo/server/planner.py	76.47%	4 Missing ⚠️
atlassian/tempo/server/accounts.py	80.00%	3 Missing ⚠️
atlassian/tempo/cloud/__init__.py	98.21%	1 Missing and 1 partial ⚠️
atlassian/tempo/cloud/base.py	77.77%	2 Missing ⚠️
atlassian/tempo/server/base.py	83.33%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1575      +/-   ##
==========================================
- Coverage   33.32%   30.45%   -2.88%     
==========================================
  Files          49       62      +13     
  Lines        9468    11287    +1819     
  Branches     1294     1569     +275     
==========================================
+ Hits         3155     3437     +282     
- Misses       6182     7718    +1536     
- Partials      131      132       +1     

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