Added setupCommands for Modules and changed README

Author: JulianFun123

README.md

@@ -13,7 +13,60 @@ JWS Web Framework
 
 ## Introduction
 The Web Framework combines multiple JavaWebStack libraries with glue code and helpers to allow fast web development
+## Quick Example
 
+```java
+
+import org.javawebstack.httpserver.router.annotation.Body;
+
+class MyWebApp extends WebApplication {
+
+    protected void setupConfig(Config config) {
+        config.addEnvFile(".env");
+    }
+
+    protected void setupModels(SQL sql) throws ORMConfigurationException {
+    }
+
+    protected void setupServer(HTTPServer server) {
+        server.get("/", exchange -> {
+            return "Hello World";
+        });
+        
+        server.controller(new ExampleController());
+    }
+}
+
+// Example Controller
+
+@PathPrefix("/api/v1")
+public class ExampleController extends HttpController {
+    @Get("/{name}")
+    public GetSomethingResponse getSomething(@Path("name") String name) {
+        GetSomethingResponse response = new GetSomethingResponse();
+        response.name = name;
+        // Automatically Serializes it to JSON if Accept header is not set.
+        return response;
+    }
+
+    @Post // If empty it uses the /api/v1 route
+    public boolean createSomething(@Body CreateSomethingRequest request) {
+        // @Body uses JSON for default to unserialize it into an object of the given type, but if the Accept header is set, you can use yaml or form 
+        System.out.println(request.name);
+        return true;
+    }
+
+    // Example Response Model
+    public class GetSomethingResponse {
+        public String name;
+    }
+
+    // Example Request Model
+    public class CreateSomethingRequest {
+        public String name;
+    }
+}
+```
 ## Documentation
 You can find the current docs on our [website](https://docs.javawebstack.org/framework). This is a work-in-progress project though so it's not yet complete.
 

src/main/java/org/javawebstack/framework/WebApplication.java

@@ -75,6 +75,7 @@ public WebApplication() {
 
         server = new HTTPServer()
                 .port(config.getInt("http.server.port", 80));
+
         server.beforeInterceptor(new CORSPolicy(config.get("http.server.cors", "*")));
         server.beforeInterceptor(new MultipartPolicy(config.get("http.server.tmp", null)));
         if (config.isEnabled("http.server.autoserialization", true))
@@ -187,6 +188,7 @@ public void run(String[] args){
         CommandLine commandLine = new CommandLine(help);
         help.setCommandLine(commandLine);
         commandLine.addSubcommand(new StartWebServerCommand(this));
+        modules.forEach(module -> module.setupCommands(this, commandLine));
         setupCommands(commandLine);
 
         commandLine.execute(args);

src/main/java/org/javawebstack/framework/config/Config.java

@@ -167,7 +167,7 @@ public void addEnvFile(String path, File file) {
             IO.readPropertyFile(file).forEach((key, value) -> set(path, transformEnvKey(key.toString()), value.toString()));
         } catch (IOException ignored) {
         }
-        System.getenv().entrySet().forEach(e -> set(path, transformEnvKey(e.getKey()), e.getValue()));
+        System.getenv().forEach((key, value) -> set(path, transformEnvKey(key), value));
     }
 
     public void addEnvFile(File file) {

src/main/java/org/javawebstack/framework/module/Module.java

@@ -6,6 +6,7 @@
 import org.javawebstack.orm.exception.ORMConfigurationException;
 import org.javawebstack.orm.wrapper.SQL;
 import org.javawebstack.orm.wrapper.SQLDriverFactory;
+import picocli.CommandLine;
 
 public interface Module {
 
@@ -36,4 +37,6 @@ default void setupServer(WebApplication application, HTTPServer server) {
     default void setupSeeding(WebApplication application) {
     }
 
+    default void setupCommands(WebApplication application, CommandLine commandLine) { }
+
 }