nix: reorganize

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>

nix/torana-web.nix

@@ -0,0 +1,48 @@
+{ ... }: {
+  perSystem = { pkgs, src, craneLib, toolchain, ... }:
+    let
+      commonArgs = {
+        inherit src;
+        cargoExtraArgs = "--target wasm32-unknown-unknown";
+        doCheck = false;
+      };
+
+      cargoArtifacts = craneLib.buildDepsOnly commonArgs;
+
+      torana = craneLib.buildPackage (commonArgs // {
+        inherit cargoArtifacts;
+      });
+    in
+    {
+      packages = {
+        torana-web = torana;
+
+        torana-web-clippy = craneLib.cargoClippy (commonArgs // {
+          inherit cargoArtifacts;
+        });
+
+        torana-web-fmt = craneLib.cargoFmt {
+          inherit src;
+        };
+
+        torana-web-doc = craneLib.cargoDoc (commonArgs // {
+          inherit cargoArtifacts;
+        });
+
+        torana-web-nextest = craneLib.cargoNextest (commonArgs // {
+          inherit cargoArtifacts;
+          partitions = 1;
+          partitionType = "count";
+        });
+      };
+
+      devShells.torana-web = pkgs.mkShell {
+        name = "torana-web";
+        nativeBuildInputs = [
+          pkgs.wasm-bindgen-cli
+          toolchain
+        ];
+      };
+
+    };
+}