MRSH-633 change config to autogenerate pairs (#5)

## Added

- autofill for not exists currencies [(MRSH-633)](https://ego-digital.atlassian.net/browse/MRSH-633);

## Changed

- pairs generation to base on two lists of currencies [(MRSH-633)](https://ego-digital.atlassian.net/browse/MRSH-633);

.gitignore

@@ -3,4 +3,6 @@ vendor
 .phpunit.result.cache
 phpunit.local.xml
 .DS_Store
-._.DS_Store
+._.DS_Store
+.docker
+composer.lock

README.md

@@ -35,7 +35,8 @@ Require:
 
 Optional:
 
-    SHIPPER_EXCHANGE_RATE_PAIRS="EUR->USD,EUR->ILS,USD->ILS"
+    SHIPPER_EXCHANGE_RATE_FROM="EUR,USD"
+    SHIPPER_EXCHANGE_RATE_TO="EUR,USD"
 
 
 ## Usage

composer.json

@@ -1,5 +1,6 @@
 {
   "name": "shipperdev/shipper-exchange-rate",
+  "version": "1.0.0",
   "autoload": {
     "psr-4": {
       "ShipperDev\\ShipperExchangeRate\\": "src/",
@@ -21,6 +22,8 @@
   },
   "require-dev": {
     "phpunit/phpunit": "^9.5",
-    "laravel/laravel": "^9.3"
+    "laravel/laravel": "^10.0",
+    "mockery/mockery": "^1.5.1",
+    "laravel/slack-notification-channel": "^2.5"
   }
 }