feat: TOTP (two-factor) Authentication (#55)

* Working on some initial prototype stuff for TOTP

* Fixed a bug that prevented the change password menu from working

* Enable/disable totp working

* Added the new login procedure including TOTP! :)

* misc: Changed bad description for the TOTP_SECRET env var

* I forgot to include the migration for the new prisma stuff

* fix: refresh user context instead refreshing the page

* refactor: simplify totp error handling

* Removed U2F tab + format schema

* fix: tokens not saved in cookies

* refactor: deleted commented out code

* refactor: move password text to input description

* refactor: remove tabler icon package

Co-authored-by: Elias Schneider <login@eliasschneider.com>
Co-authored-by: Elias Schneider <58886915+stonith404@users.noreply.github.com>

backend/src/auth/dto/authSignInTotp.dto.ts

@@ -0,0 +1,21 @@
+import { PickType } from "@nestjs/mapped-types";
+import { IsEmail, IsOptional, IsString } from "class-validator";
+import { UserDTO } from "src/user/dto/user.dto";
+
+export class AuthSignInTotpDTO extends PickType(UserDTO, [
+  "password",
+] as const) {
+  @IsEmail()
+  @IsOptional()
+  email: string;
+
+  @IsString()
+  @IsOptional()
+  username: string;
+
+  @IsString()
+  totp: string;
+
+  @IsString()
+  loginToken: string;
+}