fix: package evaluation code into AmplitudeExperiment::Evaluation module (#77)

* fix: package evaluation code into AmplitudeExperiment::Evaluation module

* refactor: fix linting issues

* docs: fix pr template link for commit title convetions

Author: kyeh-amp

.github/pull_request_template.md

@@ -10,5 +10,5 @@ Please fill out the following sections to help us quickly review your pull reque
 
 ### Checklist
 
-* [ ] Does your PR title have the correct [title format](https://github.com/amplitude/experiments-ruby-server/blob/main/CONTRIBUTING.md#pr-commit-title-conventions)?
-* Does your PR have a breaking change?:  <!-- Yes or no -->
+- [ ] Does your PR title have the correct [title format](https://github.com/amplitude/experiment-ruby-server/blob/main/CONTRIBUTING.md#pr-commit-title-conventions)?
+- Does your PR have a breaking change?: <!-- Yes or no -->

lib/amplitude-experiment.rb

@@ -27,12 +27,7 @@
 require 'experiment/cohort/cohort_sync_config'
 require 'experiment/deployment/deployment_runner'
 require 'experiment/util/poller'
-require 'experiment/evaluation/evaluation'
-require 'experiment/evaluation/flag'
-require 'experiment/evaluation/murmur3'
-require 'experiment/evaluation/select'
-require 'experiment/evaluation/semantic_version'
-require 'experiment/evaluation/topological_sort'
+require 'experiment/evaluation'
 
 # Amplitude Experiment Module
 module AmplitudeExperiment

lib/experiment/evaluation.rb

@@ -0,0 +1,6 @@
+require 'experiment/evaluation/evaluation'
+require 'experiment/evaluation/flag'
+require 'experiment/evaluation/murmur3'
+require 'experiment/evaluation/select'
+require 'experiment/evaluation/semantic_version'
+require 'experiment/evaluation/topological_sort'