feat: repository architecture for files crate w. added tests

Signed-off-by: izzy <me@insrt.uk>

crates/core/files/Cargo.toml

@@ -8,7 +8,13 @@ description = "Revolt Backend: S3 and encryption subroutines"
 repository = "https://github.com/stoatchat/stoatchat"
 
 [dependencies]
-tracing = "0.1"
+anyhow = { workspace = true }
+thiserror = { workspace = true }
+
+tracing = { workspace = true }
+
+tokio = { workspace = true }
+async-trait = { workspace = true }
 
 ffprobe = "0.4.0"
 imagesize = "0.13.0"
@@ -27,8 +33,8 @@ revolt-config = { version = "0.9.4", path = "../config", features = [
 revolt-result = { version = "0.9.4", path = "../result" }
 
 # image processing
-jxl-oxide = "0.8.1"
-image = { version = "0.25.2" }
+jxl-oxide = { workspace = true }
+image = { workspace = true }
 
 # svg rendering
 usvg = "0.44.0"
@@ -37,3 +43,6 @@ tiny-skia = "0.11.4"
 
 # encoding
 webp = "0.3.0"
+
+[dev-dependencies]
+uuid = { workspace = true }