feat: Create CveServiceProducer with proxy startup service

Resolves #23 (closed)

Services set up to get around the issues encountered trying to stub beans using the @Startup annotation

src/main/java/org/eclipsefoundation/cve/config/CveServiceProvider.java

+/*********************************************************************
+* Copyright (c) 2022 Eclipse Foundation.
+*
+* This program and the accompanying materials are made
+* available under the terms of the Eclipse Public License 2.0
+* which is available at https://www.eclipse.org/legal/epl-2.0/
+*
+* Author: Zachary Sabourin <zachary.sabourin@eclipse-foundation.org>
+*
+* SPDX-License-Identifier: EPL-2.0
+**********************************************************************/
+package org.eclipsefoundation.cve.config;
+
+import javax.enterprise.context.ApplicationScoped;
+import javax.enterprise.context.Dependent;
+import javax.enterprise.inject.Produces;
+import javax.inject.Inject;
+
+import org.eclipse.microprofile.config.inject.ConfigProperty;
+import org.eclipse.microprofile.context.ManagedExecutor;
+import org.eclipse.microprofile.rest.client.inject.RestClient;
+import org.eclipsefoundation.cve.api.GithubCveAPI;
+import org.eclipsefoundation.cve.api.GitlabCveAPI;
+import org.eclipsefoundation.cve.service.CveService;
+import org.eclipsefoundation.cve.service.impl.DefaultCveService;
+import org.eclipsefoundation.cve.service.impl.StubbedCveService;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import io.quarkus.arc.DefaultBean;
+import io.quarkus.arc.properties.IfBuildProperty;
+
+/**
+ * Allows Quarkus to inject the appropriate bean at runtime. Uses the stubbed
+ * service if running in dev profile.
+ */
+@Dependent
+public class CveServiceProvider {
+
+    @ConfigProperty(name = "eclipse.github.cve-project.token")
+    String ghToken;
+
+    @Inject
+    @RestClient
+    GitlabCveAPI gitlabApi;
+
+    @Inject
+    @RestClient
+    GithubCveAPI githubApi;
+
+    @Produces
+    @ApplicationScoped
+    @DefaultBean
+    public CveService defaultCveService(ManagedExecutor executor, ObjectMapper om,
+            GitlabCveLoaderConfig glCveLoaderConfig) {
+        return new DefaultCveService(gitlabApi, githubApi, executor, glCveLoaderConfig, ghToken, om);
+    }
+
+    @Produces
+    @ApplicationScoped
+    @IfBuildProperty(name = "eclipse.cve.stubbed", stringValue = "true", enableIfMissing = true)
+    public CveService stubbedCveService() {
+        return new StubbedCveService();
+    }
+}