Add deployment history endpoint

src/main/java/com/litoralregas/openvpn/deployment/DeploymentController.java

@@ -0,0 +1,21 @@
+package com.litoralregas.openvpn.deployment;
+
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/api/deployments")
+public class DeploymentController {
+
+    private final DeploymentRepository repository;
+
+    public DeploymentController(DeploymentRepository repository) {
+        this.repository = repository;
+    }
+
+    @GetMapping
+    public List<Deployment> getAll() {
+        return repository.findAll();
+    }
+}