Bugfix/assignment logger interface (#12)

* Add README so that package info on pkg.go.dev will be shown more nicely

* Fixes for assignmentLogger (config must have interface as type)

* Fix

Author: pavelflux

README.md

@@ -8,7 +8,7 @@ It is used to retrieve the experiments data and put it to in-memory cache, and t
 Refer to our [SDK documentation](https://docs.geteppo.com/prerequisites/feature-flagging/randomization-sdk/) for how to install and use the SDK.
 
 ## Supported Python Versions
-This version of the SDK is compatible with Python 3.6 and above.
+This version of the SDK is compatible with Go v1.18 and above.
 
 ## Example
 

eppoclient/config.go

@@ -5,7 +5,7 @@ const default_base_url = "https://eppo.cloud/api"
 type Config struct {
 	BaseUrl          string
 	ApiKey           string
-	AssignmentLogger AssignmentLogger
+	AssignmentLogger IAssignmentLogger
 }
 
 func (cfg *Config) validate() {

eppoclient/eppoclient_e2e_test.go

@@ -28,7 +28,8 @@ var tstData = []testData{}
 func Test_e2e(t *testing.T) {
 	serverUrl := initFixture()
 
-	client := InitClient(Config{BaseUrl: serverUrl, ApiKey: "dummy", AssignmentLogger: AssignmentLogger{}})
+	asmntLogger := &AssignmentLogger{}
+	client := InitClient(Config{BaseUrl: serverUrl, ApiKey: "dummy", AssignmentLogger: asmntLogger})
 
 	time.Sleep(2 * time.Second)