Added Todo syntax highlighter

Cargo.toml

@@ -7,7 +7,8 @@ description = "A COSMIC todo.txt application"
 repository = "https://github.com/professorwaltwood/planit.git"
 
 [dependencies]
-cosmic-files = { git = "https://github.com/pop-os/cosmic-files.git", version = "1.0.8" }
+cosmic-files = { git = "https://github.com/pop-os/cosmic-files", version = "1.0.8" }
+# cosmic-files = { git = "https://github.com/pop-os/cosmic-files.git", version = "1.0.8" }
 futures-util = "0.3.31"
 i18n-embed = { version = "0.16", features = [
     "fluent-system",
@@ -17,6 +18,7 @@ i18n-embed-fl = "0.10"
 log = "0.4.29"
 open = "5.3.2"
 rust-embed = "8.8.0"
+syntect = "5.3.0"
 time = { version = "0.3.47", features = ["macros", "parsing"] }
 tokio = { version = "1.48.0", features = ["full"] }
 
@@ -26,6 +28,7 @@ git = "https://github.com/pop-os/libcosmic.git"
 features = [
     # Accessibility support
     #"a11y",
+    "debug",
     # About widget for the app
     "about",
     # Uses cosmic-settings-daemon to watch for config file changes