Feature: Default currency symbol (#259)

* Added a env parameter to define a default currency symbol

* Fixed prettier formatting

.env.example

@@ -1,2 +1,4 @@
 POSTGRES_PRISMA_URL=postgresql://postgres:1234@localhost
-POSTGRES_URL_NON_POOLING=postgresql://postgres:1234@localhost
+POSTGRES_URL_NON_POOLING=postgresql://postgres:1234@localhost
+
+NEXT_PUBLIC_DEFAULT_CURRENCY_SYMBOL=""

src/components/group-form.tsx

@@ -67,7 +67,7 @@ export function GroupForm({
       : {
           name: '',
           information: '',
-          currency: '',
+          currency: process.env.NEXT_PUBLIC_DEFAULT_CURRENCY_SYMBOL || '',
           participants: [
             { name: t('Participants.John') },
             { name: t('Participants.Jane') },

src/lib/env.ts

@@ -21,6 +21,7 @@ const envSchema = z
       interpretEnvVarAsBool,
       z.boolean().default(false),
     ),
+    NEXT_PUBLIC_DEFAULT_CURRENCY_SYMBOL: z.string().optional(),
     S3_UPLOAD_KEY: z.string().optional(),
     S3_UPLOAD_SECRET: z.string().optional(),
     S3_UPLOAD_BUCKET: z.string().optional(),