Make VSCodium Rust experience more robust

.vscode/settings.json

@@ -1,8 +1,19 @@
 {
+  "files.readonlyFromPermissions": true,
+  "files.readonlyInclude": {
+    "**/.rustup/**": true,
+    "**/.cargo/registry/**": true,
+    "**/.cargo/git/**": true,
+    "**/.local/share/cargo/registry/**": true,
+    "**/.local/share/cargo/git/**": true
+  },
   "[rust]": {
     "editor.defaultFormatter": "rust-lang.rust-analyzer",
     "editor.formatOnSave": true
   },
+  "rust-analyzer.cargo.extraEnv": {
+    "RUSTFLAGS": "-Clinker=clang -Clink-arg=-fuse-ld=lld"
+  },
   "rust-analyzer.check.command": "clippy", // "check", //
   "rust-analyzer.cargo.targetDir": true,
   "cSpell.words": [
@@ -13,6 +24,7 @@
     "PRNG",
     "recip",
     "respawns",
+    "Seedable",
     "timestep",
     "timesteps",
     "winit",