Rebrand from "Fuel Price" to "Fuel Alert" and update project metadata

- Rename project in package.json, composer.json, and .env.example
- Update app name, URLs, and session domains to fuel-alert
- Comment out testimonials section in Home.vue
- Revise footer copy: remove "

.env.example

@@ -1,8 +1,8 @@
-APP_NAME="Fuel Finder"
+APP_NAME="Fuel Alert"
 APP_ENV=local
 APP_KEY=
 APP_DEBUG=true
-APP_URL=http://fuel-price.test
+APP_URL=http://fuel-alert.test
 
 APP_LOCALE=en
 APP_FALLBACK_LOCALE=en
@@ -31,7 +31,7 @@ SESSION_DRIVER=database
 SESSION_LIFETIME=120
 SESSION_ENCRYPT=false
 SESSION_PATH=/
-SESSION_DOMAIN=.fuel-price.test
+SESSION_DOMAIN=.fuel-alert.test
 
 BROADCAST_CONNECTION=log
 FILESYSTEM_DISK=local
@@ -97,4 +97,4 @@ STRIPE_PRICE_PLUS_ANNUAL=price_1TM3pXJuhjW3IKHlfQenHsf1
 STRIPE_PRICE_PRO_MONTHLY=
 STRIPE_PRICE_PRO_ANNUAL=
 
-SANCTUM_STATEFUL_DOMAINS=fuel-price.test
+SANCTUM_STATEFUL_DOMAINS=fuel-alert.test