* initial commit

* get list of activities
* get activity by id

config/autoload/middleware-pipeline.global.php

@@ -0,0 +1,69 @@
+<?php
+use Zend\Expressive\Container\ApplicationFactory;
+use Zend\Expressive\Helper;
+
+return [
+    'dependencies' => [
+        'factories' => [
+            Helper\ServerUrlMiddleware::class => Helper\ServerUrlMiddlewareFactory::class,
+            Helper\UrlHelperMiddleware::class => Helper\UrlHelperMiddlewareFactory::class,
+        ],
+    ],
+    // This can be used to seed pre- and/or post-routing middleware
+    'middleware_pipeline' => [
+        // An array of middleware to register. Each item is of the following
+        // specification:
+        //
+        // [
+        //  Required:
+        //     'middleware' => 'Name or array of names of middleware services and/or callables',
+        //  Optional:
+        //     'path'     => '/path/to/match', // string; literal path prefix to match
+        //                                     // middleware will not execute
+        //                                     // if path does not match!
+        //     'error'    => true, // boolean; true for error middleware
+        //     'priority' => 1, // int; higher values == register early;
+        //                      // lower/negative == register last;
+        //                      // default is 1, if none is provided.
+        // ],
+        //
+        // While the ApplicationFactory ignores the keys associated with
+        // specifications, they can be used to allow merging related values
+        // defined in multiple configuration files/locations. This file defines
+        // some conventional keys for middleware to execute early, routing
+        // middleware, and error middleware.
+        'always' => [
+            'middleware' => [
+                // Add more middleware here that you want to execute on
+                // every request:
+                // - bootstrapping
+                // - pre-conditions
+                // - modifications to outgoing responses
+                Helper\ServerUrlMiddleware::class,
+            ],
+            'priority' => 10000,
+        ],
+
+        'routing' => [
+            'middleware' => [
+                ApplicationFactory::ROUTING_MIDDLEWARE,
+                Helper\UrlHelperMiddleware::class,
+                // Add more middleware here that needs to introspect the routing
+                // results; this might include:
+                // - route-based authentication
+                // - route-based validation
+                // - etc.
+                ApplicationFactory::DISPATCH_MIDDLEWARE,
+            ],
+            'priority' => 1,
+        ],
+
+        'error' => [
+            'middleware' => [
+                // Add error middleware here.
+            ],
+            'error'    => true,
+            'priority' => -10000,
+        ],
+    ],
+];