Create validation service (#278)

* Initial commit

* Add more handlers

* Add more libraries

* Add first helper

* Start adding tests

* Add validation service

* Use xmtp_mls instead of re-implementing traits

* Remove ValidateIdentities Endpoint

* Works end to end

* Remove unused import

* Update compose file to use cross-platform builds

* Add tonic features to all new protos

* Add more methods to API Client

* Add api_client_wrapper

* Lint

* Trim down deps

* Add additional fields to validate key package response

* Make installation_ids bytes

* Update cargo.lock

.dockerignore

@@ -0,0 +1,4 @@
+**/target/**
+**/node_modules
+**/.build/**
+**/build/**

.github/workflows/build.yml

@@ -174,7 +174,6 @@ jobs:
           name: swift
           path: bindings_ffi/build/swift/
           retention-days: 1
-
 
   package-android:
     needs: [ build, kotlin ]