Add @deprecated & javadoc comment

Author: jmini

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/StaticDocCodegen.java

@@ -9,6 +9,11 @@
 
 import java.io.File;
 
+/**
+ * new version of this class can be found on: https://github.com/swagger-api/swagger-codegen-generators
+ * @deprecated use <code>io.swagger.codegen.languages.html.StaticDocCodegen</code> instead.
+ */
+@Deprecated
 public class StaticDocCodegen extends DefaultCodegen implements CodegenConfig {
     protected String invokerPackage = "io.swagger.client";
     protected String groupId = "io.swagger";

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/StaticHtmlGenerator.java

@@ -27,6 +27,11 @@
 import io.swagger.v3.oas.models.media.MapSchema;
 import io.swagger.v3.oas.models.media.Schema;
 
+/**
+ * new version of this class can be found on: https://github.com/swagger-api/swagger-codegen-generators
+ * @deprecated use <code>io.swagger.codegen.languages.html.StaticHtmlCodegen</code> instead.
+ */
+@Deprecated
 public class StaticHtmlGenerator extends DefaultCodegen implements CodegenConfig {
     protected String invokerPackage = "io.swagger.client";
     protected String groupId = "io.swagger";