feat: grades by professor (#225)

* feat: grades by professor

* chore(pr-review): extract into Distributions type

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Co-authored-by: doprz <52579214+doprz@users.noreply.github.com>

src/shared/types/Distribution.ts

@@ -22,6 +22,8 @@ export type CourseSQLRow = {
     Course_Number: string;
     Course_Title: string;
     Course_Full_Title: string;
+    Instructor_First: string | null;
+    Instructor_Last: string | null;
     A: number;
     A_Minus: number;
     B_Plus: number;