feat: localization (#196)

* Started adding locale translations :)

* Added some more translations

* Working on translating even more pages

* More translations

* Added test default locale retrieval

* replace `intl.formatMessage` with custom `t` hook

* add more translations

* improve title syntax

* add more translations

* translate admin config page

* translated error messages

* add language selecter

* minor fixes

* improve language handling

* add upcoming languages

* add `crowdin.yml`

* run formatter

---------

Co-authored-by: Steve Tautonico <stautonico@gmail.com>

backend/prisma/migrations/20230718155819_remove_config_veriable_description/migration.sql

@@ -0,0 +1,27 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `description` on the `Config` table. All the data in the column will be lost.
+
+*/
+-- RedefineTables
+PRAGMA foreign_keys=OFF;
+CREATE TABLE "new_Config" (
+    "updatedAt" DATETIME NOT NULL,
+    "name" TEXT NOT NULL,
+    "category" TEXT NOT NULL,
+    "type" TEXT NOT NULL,
+    "defaultValue" TEXT NOT NULL DEFAULT '',
+    "value" TEXT,
+    "obscured" BOOLEAN NOT NULL DEFAULT false,
+    "secret" BOOLEAN NOT NULL DEFAULT true,
+    "locked" BOOLEAN NOT NULL DEFAULT false,
+    "order" INTEGER NOT NULL,
+
+    PRIMARY KEY ("name", "category")
+);
+INSERT INTO "new_Config" ("category", "defaultValue", "locked", "name", "obscured", "order", "secret", "type", "updatedAt", "value") SELECT "category", "defaultValue", "locked", "name", "obscured", "order", "secret", "type", "updatedAt", "value" FROM "Config";
+DROP TABLE "Config";
+ALTER TABLE "new_Config" RENAME TO "Config";
+PRAGMA foreign_key_check;
+PRAGMA foreign_keys=ON;