feat: custom branding (#112)

* add first concept

* remove setup status

* split config page in multiple components

* add custom branding docs

* add test email button

* fix invalid email from header

* add migration

* mount images to host

* update docs

* remove unused endpoint

* run formatter

backend/src/share/share.service.ts

@@ -153,7 +153,7 @@ export class ShareService {
 
     if (
       share.reverseShare &&
-      this.config.get("SMTP_ENABLED") &&
+      this.config.get("smtp.enabled") &&
       share.reverseShare.sendEmailNotification
     ) {
       await this.emailService.sendMailToReverseShareCreator(
@@ -303,7 +303,7 @@ export class ShareService {
       },
       {
         expiresIn: moment(expiration).diff(new Date(), "seconds") + "s",
-        secret: this.config.get("JWT_SECRET"),
+        secret: this.config.get("internal.jwtSecret"),
       }
     );
   }
@@ -315,7 +315,7 @@ export class ShareService {
 
     try {
       const claims = this.jwtService.verify(token, {
-        secret: this.config.get("JWT_SECRET"),
+        secret: this.config.get("internal.jwtSecret"),
         // Ignore expiration if expiration is 0
         ignoreExpiration: moment(expiration).isSame(0),
       });