add remote_storage and policy_module

colink_policy_module.proto

@@ -0,0 +1,25 @@
+syntax = "proto3";
+package colink_policy_module;
+
+import "google/protobuf/wrappers.proto";
+
+message Rule {
+    string rule_id = 1;
+    TaskFilter task_filter = 2;
+    string action = 3;
+    int32 priority = 4;
+}
+
+message TaskFilter {
+    string task_id = 1;
+    string protocol_name = 2;
+    repeated string participants = 3;
+    string role = 4;
+    TaskFilter parent_task_filter = 5;
+    google.protobuf.BoolValue require_agreement = 6;
+}
+
+message Settings {
+    bool enable = 1;
+    repeated Rule rules = 2;
+}

colink_remote_storage.proto

@@ -0,0 +1,25 @@
+syntax = "proto3";
+package remote_storage;
+
+message CreateParams {
+    string remote_key_name = 1;
+    bool is_public = 2;
+    bytes payload = 3;
+}
+
+message ReadParams {
+    string remote_key_name = 1;
+    bool is_public = 2;
+    string holder_id = 3;
+}
+
+message UpdateParams {
+    string remote_key_name = 1;
+    bool is_public = 2;
+    bytes payload = 3;
+}
+
+message DeleteParams {
+    string remote_key_name = 1;
+    bool is_public = 2;
+}