Rename app branding from IMVS to CoreCore

.env.prod.example

@@ -1,4 +1,4 @@
-APP_NAME=IMVS
+APP_NAME=CoreCore
 APP_URL=https://example.com
 APP_ENV=prod
 APP_DEBUG=false
@@ -9,13 +9,13 @@ APP_LOCALE=de
 APP_LOCALES=de,en
 APP_I18N_DOMAIN=default
 APP_CRYPTO_KEY=replace-with-64-char-hex-or-base64-key
-SESSION_NAME=IMVS
+SESSION_NAME=CoreCore
 TENANT_SCOPE_STRICT=true
 
 DB_HOST=db
 DB_PORT=3306
-DB_NAME=imvs
-DB_USER=imvs
+DB_NAME=corecore
+DB_USER=corecore
 DB_PASS=replace-db-password
 DB_ROOT_PASSWORD=replace-db-root-password
 
@@ -32,5 +32,5 @@ SMTP_PORT=587
 SMTP_USER=
 SMTP_PASS=
 SMTP_FROM=
-SMTP_FROM_NAME=IMVS
+SMTP_FROM_NAME=CoreCore
 SMTP_SECURE=tls