chore: Refactor services

- OpenSSL and Truststore services should not be Beans by default
- Instead, they are using auto configurations to register the beans

src/main/java/de/mlessmann/certassist/ExecutableResolver.java

@@ -1,75 +0,0 @@
-package de.mlessmann.certassist;
-
-import de.mlessmann.certassist.except.UnresolvableCLIDependency;
-import java.io.File;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.List;
-import java.util.Objects;
-import java.util.Optional;
-import java.util.concurrent.atomic.AtomicBoolean;
-import lombok.extern.slf4j.Slf4j;
-import org.apache.commons.lang3.SystemUtils;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.stereotype.Service;
-
-@Service
-@Slf4j
-public class ExecutableResolver {
-
-    private static final AtomicBoolean loggedPath = new AtomicBoolean(false);
-
-    @Value("${openssl.path:#{null}}")
-    private String opensslPath;
-
-    public String getOpenSSLPath() throws UnresolvableCLIDependency {
-        if (opensslPath == null) {
-            log.atDebug().log("No openssl path configured, falling back to resolving by shell.");
-            var optSSLPath = searchCommandFromPath("openssl");
-            opensslPath = optSSLPath.orElseThrow(() -> new UnresolvableCLIDependency("openssl", "openssl.path"));
-        }
-
-        Path configuredPath = new File(opensslPath).toPath();
-        if (!Files.isRegularFile(configuredPath)) {
-            throw new UnresolvableCLIDependency("openssl", "openssl.path");
-        }
-
-        return opensslPath;
-    }
-
-    private Optional<String> searchCommandFromPath(String executableName) {
-        String envPath = System.getenv("PATH");
-        Objects.requireNonNull(envPath, "Environment variable 'PATH' is not set?!");
-        String[] pathEntries = envPath.split(File.pathSeparator);
-
-        if (!loggedPath.get()) {
-            loggedPath.set(true);
-            for (String pathEntry : pathEntries) {
-                log.atError().log("Path entry: {}", pathEntry);
-            }
-        }
-
-        for (String pathEntry : pathEntries) {
-            for (String fileExtension : getAllowedExtensions()) {
-                Path executablePath = Path.of(pathEntry, executableName + fileExtension);
-                if (Files.isRegularFile(executablePath) && Files.isExecutable(executablePath)) {
-                    return Optional.of(executablePath.toString());
-                }
-            }
-        }
-
-        log.error(
-            "Could not find executable '{}' in PATH. Make sure that it exists on the of the directory and is executable.",
-            executableName
-        );
-        return Optional.empty();
-    }
-
-    public List<String> getAllowedExtensions() {
-        if (SystemUtils.IS_OS_WINDOWS) {
-            return List.of(".exe", ".bat", ".cmd");
-        } else {
-            return List.of("", ".sh");
-        }
-    }
-}