feat(server): add checksum algorithm field (#26573)

* feat: add checksum algorithm field

* fix comments

* chore: rename migration

---------

Co-authored-by: Jason Rasmussen <jason@rasm.me>

server/src/enum.ts

@@ -37,6 +37,11 @@ export enum AssetType {
   Other = 'OTHER',
 }
 
+export enum ChecksumAlgorithm {
+  sha1File = 'sha1', // sha1 checksum of the whole file contents
+  sha1Path = 'sha1-path', // sha1 checksum of "path:" plus the file path, currently used in external libraries, deprecated
+}
+
 export enum AssetFileType {
   /**
    * An full/large-size image extracted/converted from RAW photos