Update DockerExecution config template and add docker-compose file for deployment

src/RemoteExec.Server/appsettings.json

@@ -10,7 +10,6 @@
   // Authentication configuration
   "Authentication": {
     // List of API keys for authenticating clients
-    // Each entry should contain key identification and validation information
     "ApiKeys": [
       // Example:
       // {
@@ -44,39 +43,41 @@
   // Docker execution configuration (only used when ExecutionEnvironment = "DockerContainer")
   "DockerExecution": {
     // Docker host URL
+    // null = uses default Docker client settings
     // Linux: "unix:///var/run/docker.sock"
     // Windows: "npipe://./pipe/docker_engine"
-    "DockerHost": "unix:///var/run/docker.sock",
-    
+    // Default: null
+    "DockerHost": null,
+
     // Docker worker image name to use for task execution
     // Must be built and available on the Docker host
     // Default: "remoteexec-worker:latest"
     "WorkerImageName": "remoteexec-worker:latest",
-    
+
     // Maximum execution time per container in seconds
     // Containers exceeding this time will be forcefully terminated
     // Default: 300 (5 minutes)
     "ContainerTimeoutSeconds": 300,
-    
+
     // Memory limit per container in MB
     // Prevents containers from consuming excessive memory
     // Default: 512 MB
     "ContainerMemoryLimitMb": 512,
-    
+
     // CPU shares allocated to each container (relative weight)
     // Higher values = more CPU priority
     // Default: 1024
     "ContainerCpuShares": 1024,
-    
+
     // Disable network access in containers for security
     // Set to false if tasks require network connectivity
     // Default: true
     "DisableNetwork": true,
-    
+
     // Make container filesystem read-only
-    // Enhances security by preventing file modifications
-    // Default: true
-    "ReadOnlyFilesystem": true
+    // Enhances security by preventing file modifications but does not work when additional assemblies are requested at runtime
+    // Default: false
+    "ReadOnlyFilesystem": false
   },
   
   // Server metrics broadcasting configuration