feat: add gRPC server configuration and initial implementation with example proto

composer.json

@@ -4,7 +4,8 @@
   "autoload": {
     "psr-4": {
       "Siteworxpro\\App\\": "src/",
-      "Siteworxpro\\Tests\\": "tests/"
+      "Siteworxpro\\Tests\\": "tests/",
+      "GRPC\\": "generated/GRPC"
     }
   },
   "require": {
@@ -25,7 +26,8 @@
     "react/promise": "^3",
     "react/async": "^4",
     "guzzlehttp/guzzle": "^7.10",
-    "zircote/swagger-php": "^5.7"
+    "zircote/swagger-php": "^5.7",
+    "spiral/roadrunner-grpc": "^3.5"
   },
   "require-dev": {
     "phpunit/phpunit": "^12.4",