Add filters

[loevgaard]

This PR adds two types of filters

• Path based
• Hostname based

The idea with filters is to exclude the tracking on certain paths (e.g. /admin) or domains (e.g. api.example.com).

[codecov]

Codecov Report

Patch coverage: 54.90% and project coverage change: +8.84 🎉

Comparison is base (79ac0bd) 26.53% compared to head (b046388) 35.38%.

❗ Current head b046388 differs from pull request most recent head 3371a36. Consider uploading reports for the commit 3371a36 to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##             master      #14      +/-   ##
============================================
+ Coverage     26.53%   35.38%   +8.84%     
- Complexity       72      101      +29     
============================================
  Files            20       28       +8     
  Lines           245      342      +97     
============================================
+ Hits             65      121      +56     
- Misses          180      221      +41     

Impacted Files	Coverage Δ
src/DependencyInjection/Configuration.php	0.00% <0.00%> (ø)
src/EventSubscriber/Tag/EventSubscriber.php	0.00% <0.00%> (ø)
src/EventSubscriber/Tag/LibrarySubscriber.php	0.00% <0.00%> (ø)
...rc/Filter/ClientSide/CompositeClientSideFilter.php	0.00% <0.00%> (ø)
src/SetonoGoogleAnalyticsBundle.php	0.00% <0.00%> (ø)
src/ValueObject/Property.php	0.00% <0.00%> (ø)
...ilter/ClientSide/HostnameBasedClientSideFilter.php	94.44% <94.44%> (ø)
...rc/Filter/ClientSide/PathBasedClientSideFilter.php	94.73% <94.73%> (ø)
...ndencyInjection/SetonoGoogleAnalyticsExtension.php	97.22% <100.00%> (+0.44%)	⬆️
src/Filter/Matcher/EqualityMatcher.php	100.00% <100.00%> (ø)
... and 3 more

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