Added .nc and related commands.

You can set pixel colors (and text) on a 500x350 canvas, pepega version of r/place
You use currency to set pixels.
see whole canvas: .nc
set pixel: .ncsp <pos> <color> <text?>
get pixel: .ncp <pos>
zoom: .ncz <pos> or .ncz x y

src/NadekoBot.GrpcApiBase/protos/canvas.proto

@@ -0,0 +1,47 @@
+syntax = "proto3";
+
+option csharp_namespace = "NadekoBot.GrpcApi";
+
+import "google/protobuf/empty.proto";
+
+package ncanvas;
+
+service GrpcNCanvas {
+  rpc GetCanvas(google.protobuf.Empty) returns (CanvasReply);
+  rpc GetPixel(GetPixelRequest) returns (GetPixelReply);
+  rpc SetPixel(SetPixelRequest) returns (SetPixelReply);
+}
+
+message CanvasReply {
+  repeated uint32 pixels = 1;
+  int32 width = 2;
+  int32 height = 3;
+}
+
+message GetPixelRequest {
+  int32 x = 1;
+  int32 y = 2;
+}
+
+message GetPixelReply {
+  string color = 1;
+  uint32 packedColor = 2;
+  int32 positionX = 3;
+  int32 positionY = 4;
+  int64 price = 5;
+  string text = 6;
+  string position = 7;
+}
+
+message SetPixelRequest {
+  string position = 1;
+  string color = 2;
+  string text = 3;
+  int64 price = 4;
+}
+
+message SetPixelReply {
+  string error = 1;
+  bool success = 2;
+  optional GetPixelReply pixel = 3;
+}

src/NadekoBot.GrpcApiBase/protos/econ.proto

@@ -1,26 +0,0 @@
-syntax = "proto3";
-
-option csharp_namespace = "NadekoBot.GrpcApi";
-
-package econ;
-
-service GrpcEcon {
-  rpc GetEconomy(EconomyRequest) returns (EconomyReply);
-}
-
-message EconomyRequest {
-  string guildId = 1;
-}
-
-message EconomyReply {
-  uint64 totalOwned = 1;
-  uint64 byTopOnePercent = 2;
-  uint64 plantedAmount = 3;
-  uint64 ownedByTheBot = 4;
-  uint64 inTheBank = 5;
-  uint64 totalEconomy = 6;
-}
-
-message CurrencyLbRequest {
-  int32 page = 1;
-}