Move software files one directory up, Readme

backend/models/acts/bandGenre.model.ts

@@ -0,0 +1,16 @@
+import { Column, ForeignKey, Model, PrimaryKey, Table } from "sequelize-typescript";
+import { Genre } from "./genre.model";
+import { Band } from "./band.model";
+
+@Table({ timestamps: false })
+export class BandGenre extends Model {
+  @PrimaryKey
+  @Column({autoIncrement: true})
+  declare id: number
+
+  @ForeignKey(() => Genre)
+  genreId: number
+
+  @ForeignKey(() => Band)
+  bandId: number
+}