Added composer.lock to version control

.gitignore

-composer.lock
-config.php
-config.json
 config.yaml
 logs/
 vendor/

composer.json

@@ -6,12 +6,10 @@
         "mikecao/flight": "1.3.7",
         "google/apiclient": "2.1.3",
         "facebook/graph-sdk": "^5.5",
-        "monolog/monolog": "^1.22",
-        "phpmailer/phpmailer": "^6.0"
+        "monolog/monolog": "^1.22"
     },
     "require-dev": {
-        "phpunit/phpunit": "^8.2",
-        "phpmd/phpmd": "@stable"
+        "phpunit/phpunit": "^8.2"
     },
     "autoload": {
         "classmap": [