added bubble_sort, binary_search, linear_search

nix/devshell.nix

@@ -0,0 +1,15 @@
+{ pkgs ? import <nixpkgs> { } }:
+pkgs.mkShell {
+  # Get dependencies from the main package
+  inputsFrom = [ (pkgs.callPackage ./default.nix { }) ];
+  # Additional tooling
+  buildInputs = with pkgs; [
+    cargo
+    cargo-watch
+    rustc
+    rustup
+    clippy
+    rust-analyzer
+    pkg-config
+  ];
+}