Rename "round" to "set number" for the scouting match list

The Blue Alliance refers to what we call "round" as "set number". To
simplify everything, we should adopt the terminology that The Blue
Alliance uses. This patch converts all uses of "round" to "set
number".

Signed-off-by: Philipp Schrader <philipp.schrader@gmail.com>
Change-Id: Icc1b11554168fbb343e1fdfa597399951b2cb44d
diff --git a/scouting/www/app.ts b/scouting/www/app.ts
index 5180218..4f95c90 100644
--- a/scouting/www/app.ts
+++ b/scouting/www/app.ts
@@ -14,7 +14,7 @@
 type TeamInMatch = {
   teamNumber: number;
   matchNumber: number;
-  round: number;
+  setNumber: number;
   compLevel: string;
 };
 
@@ -27,7 +27,7 @@
   selectedTeamInMatch: TeamInMatch = {
     teamNumber: 1,
     matchNumber: 1,
-    round: 1,
+    setNumber: 1,
     compLevel: 'qm',
   };
   tab: Tab = 'MatchList';