use legal slugs for crates.io

Cargo.toml

@@ -8,8 +8,18 @@ license = "MIT"
 readme = "README.md"
 repository = "https://github.com/swaits/mcps"
 homepage = "https://github.com/swaits/mcps"
-keywords = ["monte-carlo", "project-scheduling", "simulation", "cli"]
-categories = ["command-line-utilities", "science", "productivity"]
+keywords = [
+  "monte-carlo",
+  "monte",
+  "carlo",
+  "project",
+  "schedules",
+  "scheduling",
+  "simulation",
+  "estimation",
+  "cli",
+]
+categories = ["command-line-utilities", "development-tools", "simulation"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html