chore: Move to Typescript (#2783)

This PR moves the entire project to Typescript. Due to the ~1000 ignores this will lead to a messy codebase for a while, but the churn is worth it – all of those ignore comments are places that were never type-safe previously.

closes #1282

server/models/IntegrationAuthentication.ts

@@ -0,0 +1,26 @@
+import { DataTypes, sequelize, encryptedFields } from "../sequelize";
+
+const IntegrationAuthentication = sequelize.define("authentication", {
+  id: {
+    type: DataTypes.UUID,
+    defaultValue: DataTypes.UUIDV4,
+    primaryKey: true,
+  },
+  service: DataTypes.STRING,
+  scopes: DataTypes.ARRAY(DataTypes.STRING),
+  token: encryptedFields().vault("token"),
+});
+
+// @ts-expect-error ts-migrate(7006) FIXME: Parameter 'models' implicitly has an 'any' type.
+IntegrationAuthentication.associate = (models) => {
+  IntegrationAuthentication.belongsTo(models.User, {
+    as: "user",
+    foreignKey: "userId",
+  });
+  IntegrationAuthentication.belongsTo(models.Team, {
+    as: "team",
+    foreignKey: "teamId",
+  });
+};
+
+export default IntegrationAuthentication;