chore: Separate maximum import size config for document/workspace (#6566)

* chore: Separate maximum import size config for document/workspace

* Update .env.sample

.env.sample

@@ -66,6 +66,14 @@ FILE_STORAGE_LOCAL_ROOT_DIR=/var/lib/outline/data
 # Maximum allowed size for the uploaded attachment.
 FILE_STORAGE_UPLOAD_MAX_SIZE=262144000
 
+# Override the maximum size of document imports, generally this should be lower
+# than the document attachment maximum size.
+FILE_STORAGE_IMPORT_MAX_SIZE=
+
+# Override the maximum size of workspace imports, these can be especially large
+# and the files are temporary being automatically deleted after a period of time.
+FILE_STORAGE_WORKSPACE_IMPORT_MAX_SIZE=
+
 # –––––––––––––– AUTHENTICATION ––––––––––––––
 
 # Third party signin credentials, at least ONE OF EITHER Google, Slack,
@@ -142,10 +150,6 @@ ENABLE_UPDATES=true
 # available memory by 512 for a rough estimate
 WEB_CONCURRENCY=1
 
-# Override the maximum size of document imports, could be required if you have
-# especially large Word documents with embedded imagery
-MAXIMUM_IMPORT_SIZE=5120000
-
 # You can remove this line if your reverse proxy already logs incoming http
 # requests and this ends up being duplicative
 DEBUG=http