feat: implement prerequisite validation and installation for server setup

app/Actions/Server/ValidateServer.php

@@ -45,6 +45,15 @@ class ValidateServer
             throw new \Exception($this->error);
         }
 
+        $prerequisitesInstalled = $server->validatePrerequisites();
+        if (! $prerequisitesInstalled) {
+            $this->error = 'Prerequisites (git, curl, jq) are not installed. Please install them before continuing or use the validation with installation endpoint.';
+            $server->update([
+                'validation_logs' => $this->error,
+            ]);
+            throw new \Exception($this->error);
+        }
+
         $this->docker_installed = $server->validateDockerEngine();
         $this->docker_compose_installed = $server->validateDockerCompose();
         if (! $this->docker_installed || ! $this->docker_compose_installed) {