Add WebClient create() and build() static methods

spring-webflux/src/main/java/org/springframework/web/reactive/function/client/DefaultWebClientBuilder.java

@@ -48,6 +48,10 @@ class DefaultWebClientBuilder implements WebClient.Builder {
 	private MultiValueMap<String, String> defaultCookies;
 
 
+	public DefaultWebClientBuilder() {
+		this(new DefaultUriBuilderFactory());
+	}
+
 	public DefaultWebClientBuilder(String baseUrl) {
 		this(new DefaultUriBuilderFactory(baseUrl));
 	}

spring-webflux/src/main/java/org/springframework/web/reactive/function/client/WebClient.java

@@ -117,6 +117,16 @@ public interface WebClient {
 
 	// Static, factory methods
 
+	/**
+	 * Shortcut for:
+	 * <pre class="code">
+	 * WebClient client = builder().build();
+	 * </pre>
+	 */
+	static WebClient create() {
+		return new DefaultWebClientBuilder().build();
+	}
+
 	/**
 	 * Shortcut for:
 	 * <pre class="code">
@@ -128,6 +138,13 @@ public interface WebClient {
 		return new DefaultWebClientBuilder(baseUrl).build();
 	}
 
+	/**
+	 * Obtain a {@code WebClient} builder.
+	 */
+	static WebClient.Builder builder() {
+		return new DefaultWebClientBuilder();
+	}
+
 	/**
 	 * Obtain a {@code WebClient} builder with a base URI to be used as the
 	 * base for expanding URI templates during exchanges. The given String