Enhance testing and configuration for Kakao BMS in SOLAPI PHP SDK

- Updated .gitignore to exclude .env and .omc files.
- Added new PHPUnit test scripts for unit and end-to-end testing of BMS message types.
- Modified composer.json to include additional test scripts for unit, end-to-end, and coverage testing.
- Updated phpunit.xml to define separate test suites for Unit and E2E tests.
- Introduced a bootstrap file for loading environment variables and Composer autoloading.

Author: Palbahngmiyine

.gitignore

@@ -1,5 +1,6 @@
 .DS_Store
 .vscode/
+.env
 log.txt
 out/
 *.swp
@@ -15,4 +16,7 @@ composer.phar
 
 # PHPUnit
 .phpunit.result.cache
-.phpunit.cache/
+.phpunit.cache/
+
+# omc
+.omc/

composer.json

@@ -55,6 +55,9 @@
     "phpunit/phpunit": "^9.5"
   },
   "scripts": {
-    "test": "phpunit"
+    "test": "phpunit",
+    "test:unit": "phpunit --testsuite=Unit",
+    "test:e2e": "phpunit --testsuite=E2E",
+    "test:coverage": "phpunit --coverage-text"
   }
 }

phpunit.xml

@@ -1,12 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.5/phpunit.xsd"
-         bootstrap="vendor/autoload.php"
+         bootstrap="tests/bootstrap.php"
          colors="true"
          verbose="true">
     <testsuites>
-        <testsuite name="SOLAPI PHP SDK Test Suite">
-            <directory>tests</directory>
+        <testsuite name="Unit">
+            <directory>tests/Models</directory>
+        </testsuite>
+        <testsuite name="E2E">
+            <directory>tests/E2E</directory>
         </testsuite>
     </testsuites>
     <coverage>