feat: add crypt4ghfs-rust

__fs/crypt4ghfs-rust/justfile

@@ -0,0 +1,17 @@
+
+run:
+    echo "The passphrase is 'bob'"
+    cargo run -- --conf tests/configs/fs.conf tests/mountpoint
+
+keygen:
+    crypt4gh keygen --pk testkey.pub --sk testkey.sec
+
+encrypt:
+    crypt4gh encrypt --sk tests/keys/testkey.sec --recipient_pk tests/keys/bob.pub < tests/decrypted/file.txt > tests/rootdir/file.txt.c4gh
+
+decrypt:
+    echo "The passphrase is 'bob'"
+    crypt4gh decrypt --sk tests/keys/bob.sec < tests/rootdir/file.txt.c4gh
+
+umount:
+    umount tests/mountpoint