chore: add rustfmt, anyhow, and zed config

.zed/settings.json

@@ -0,0 +1,13 @@
+{
+  "languages": {
+    "Rust": {
+      "format_on_save": "on",
+      "formatter": {
+        "external": {
+          "command": "rustfmt",
+          "arguments": ["--edition", "2021"],
+        },
+      },
+    },
+  },
+}

Cargo.lock

@@ -52,6 +52,12 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.104"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "330a5ed07fa54e4702c9d6c4174f74427fc0ef6e214bbd677ae50a5099946470"
+
 [[package]]
 name = "clap"
 version = "4.6.4"
@@ -138,6 +144,7 @@ dependencies = [
 name = "smolgrep"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "clap",
 ]
 

Cargo.toml

@@ -4,4 +4,5 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+anyhow = "1.0.104"
 clap = { version = "4.6.4", features = ["derive"] }

rustfmt.toml

@@ -0,0 +1,6 @@
+# Prettier-like Rust formatting
+edition = "2021"
+max_width = 100
+tab_spaces = 4
+hard_tabs = false
+use_small_heuristics = "Max"