Instruction task proto (#2146)

Co-authored-by: Gino Miceli <[email protected]>

Author: anandwana001

proto/src/ground/v1beta1/job.proto

@@ -116,6 +116,10 @@ message Task {
 
     // A task in which the user must take a photo.
     TakePhoto take_photo = 13;
+
+    // A set of instructions to be shown to the data collector during the
+    // data collection process.
+    InstructionsTask instructions = 14;
   }
 
   // A question whose response is entered manually as text.
@@ -130,6 +134,13 @@ message Task {
     Type type = 1;
   }
 
+  // A set of instructions to be shown to the data collector during the
+  // data collection process.
+  message InstructionsTask {
+    // Required. Markdown text to be shown to the user.
+    string text = 1;
+  }
+
   // A question whose response is entered manually as a number.
   message NumberQuestion {
     // Allowed values for the `type` field.