ignore some shellchecks for .env files

.env.example

@@ -1,3 +1,5 @@
+# shellcheck disable=SC2034,SC2148
+
 APP_NAME="Pixelfed"
 APP_ENV="production"
 APP_KEY=

.env.testing

@@ -1,3 +1,5 @@
+# shellcheck disable=SC2034,SC2148
+
 APP_NAME="Pixelfed Test"
 APP_ENV=local
 APP_KEY=base64:lwX95GbNWX3XsucdMe0XwtOKECta3h/B+p9NbH2jd0E=
@@ -62,8 +64,8 @@ CS_BLOCKED_DOMAINS='example.org,example.net,example.com'
 CS_CW_DOMAINS='example.org,example.net,example.com'
 CS_UNLISTED_DOMAINS='example.org,example.net,example.com'
 
-## Optional 
+## Optional
 #HORIZON_DARKMODE=false  # Horizon theme darkmode
-#HORIZON_EMBED=false  # Single Docker Container mode 
+#HORIZON_EMBED=false  # Single Docker Container mode
 
 ENABLE_CONFIG_CACHE=false