diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index 3f2a584..b5e14ed 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -422,6 +422,7 @@ dependencies = [
  "toml",
  "url",
  "url-escape",
+ "walkdir",
  "xdg-mime",
 ]
 
@@ -648,6 +649,15 @@ version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7b4b9743ed687d4b4bcedf9ff5eaa7398495ae14e61cba0a295704edbc7decde"
 
+[[package]]
+name = "same-file"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
+dependencies = [
+ "winapi-util",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -962,6 +972,17 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "walkdir"
+version = "2.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "808cf2735cd4b6866113f648b791c6adc5714537bc222d9347bb203386ffda56"
+dependencies = [
+ "same-file",
+ "winapi",
+ "winapi-util",
+]
+
 [[package]]
 name = "want"
 version = "0.3.0"
diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index 5cc1fe3..9b54ff5 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -24,4 +24,5 @@ tokio = { version = "1", features = ["full"] }
 toml = "0.7.2"
 url = "2.3.1"
 url-escape = "0.1.1"
+walkdir = "2.3.2"
 xdg-mime = "0.3.3"