feature/did accounts (#23)

* feat: add support for DID number as primary key for Controllers

* refactor: rename pkg/proxy to app/proxy

* feat: add vault module keeper tests

* feat(vault): add DID keeper to vault module

* refactor: move vault client code to its own package

* refactor(vault): extract schema definition

* refactor: use vaulttypes for MsgAllocateVault

* refactor: update vault assembly logic to use new methods

* feat: add dwn-proxy command

* refactor: remove unused context.go file

* refactor: remove unused web-related code

* feat: add DWN proxy server

* feat: add BuildTx RPC to vault module

* fix: Implement BuildTx endpoint

* feat: add devbox integration to project

proto/vault/module/v1/module.proto

@@ -0,0 +1,13 @@
+syntax = "proto3";
+
+package vault.module.v1;
+
+import "cosmos/app/v1alpha1/module.proto";
+
+// Module is the app config object of the module.
+// Learn more: https://docs.cosmos.network/main/building-modules/depinject
+message Module {
+  option (cosmos.app.v1alpha1.module) = {
+    go_import : "github.com/onsonr/sonr"
+  };
+}