Update host module

[js2264]

Updates

• Finish up host module;
• Added tests for host module;
• Added test data in tests_data/host_test_data

[codecov]

Codecov Report

Attention: Patch coverage is 95.87629% with 4 lines in your changes missing coverage. Please review.

Project coverage is 73.39%. Comparing base (4253551) to head (5d053da).

Files with missing lines	Patch %	Lines
src/metator/commands.py	86.36%	3 Missing ⚠️
src/metator/host.py	98.14%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           master      #35       +/-   ##
===========================================
+ Coverage   59.31%   73.39%   +14.07%     
===========================================
  Files          17       17               
  Lines        3252     3300       +48     
===========================================
+ Hits         1929     2422      +493     
+ Misses       1323      878      -445     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.