Flesh out channel member management

Co-authored-by: Mikayla <mikayla@zed.dev>

crates/rpc/proto/zed.proto

@@ -140,6 +140,7 @@ message Envelope {
         RemoveChannel remove_channel = 127;
         GetChannelMembers get_channel_members = 128;
         GetChannelMembersResponse get_channel_members_response = 129;
+        SetChannelMemberAdmin set_channel_member_admin = 130;
     }
 }
 
@@ -898,7 +899,8 @@ message GetChannelMembersResponse {
 
 message ChannelMember {
     uint64 user_id = 1;
-    Kind kind = 2;
+    bool admin = 2;
+    Kind kind = 3;
 
     enum Kind {
         Member = 0;
@@ -927,6 +929,12 @@ message RemoveChannelMember {
     uint64 user_id = 2;
 }
 
+message SetChannelMemberAdmin {
+    uint64 channel_id = 1;
+    uint64 user_id = 2;
+    bool admin = 3;
+}
+
 message RespondToChannelInvite {
     uint64 channel_id = 1;
     bool accept = 2;

crates/rpc/src/proto.rs

@@ -217,6 +217,7 @@ messages!(
     (JoinChannel, Foreground),
     (RoomUpdated, Foreground),
     (SaveBuffer, Foreground),
+    (SetChannelMemberAdmin, Foreground),
     (SearchProject, Background),
     (SearchProjectResponse, Background),
     (ShareProject, Foreground),
@@ -298,6 +299,7 @@ request_messages!(
     (RemoveContact, Ack),
     (RespondToContactRequest, Ack),
     (RespondToChannelInvite, Ack),
+    (SetChannelMemberAdmin, Ack),
     (GetChannelMembers, GetChannelMembersResponse),
     (JoinChannel, JoinRoomResponse),
     (RemoveChannel, Ack),