feat(api): new settings service (#5775)

* feat: add v2alpha policies service

* feat: add v2alpha policies service

* fix: rename of attributes and messages in v2alpha api

* fix: rename of attributes and messages in v2alpha api

* fix: linter corrections

* fix: review corrections

* fix: review corrections

* fix: review corrections

* fix: review corrections

* fix grpc

* refactor: rename to settings and more

* Apply suggestions from code review

Co-authored-by: Fabi <fabienne.gerschwiler@gmail.com>

* add service to docs and rename legal settings

* unit tests for converters

* go mod tidy

* ensure idp name and return list details

* fix: use correct resource owner for active idps

* change query to join

---------

Co-authored-by: Livio Spring <livio.a@gmail.com>
Co-authored-by: Fabi <fabienne.gerschwiler@gmail.com>
Co-authored-by: Tim Möhlmann <tim+github@zitadel.com>

docs/sidebars.js

@@ -426,6 +426,20 @@ module.exports = {
           },
           items: require("./docs/apis/session_service/sidebar.js"),
         },
+        {
+          type: "category",
+          label: "Settings Lifecycle (Alpha)",
+          link: {
+            type: "generated-index",
+            title: "Settings Service API (Alpha)",
+            slug: "/apis/settings_service",
+            description:
+              "This API is intended to manage settings in a ZITADEL instance.\n"+
+              "\n"+
+              "This project is in alpha state. It can AND will continue breaking until the services provide the same functionality as the current login.",
+          },
+          items: require("./docs/apis/settings_service/sidebar.js"),
+        },
         {
           type: "category",
           label: "Assets",