injections(nix): add nixosTest.testScript + home-manager nvim config

(+ add Check to mkDerivation bash matches)

(+ add Check to mkDerivation bash matches)

tests/query/injections/nix/test-nix-injections.nix

@@ -0,0 +1,70 @@
+{ pkgs, stdenv }:
+# NOTE: This file is for testing queries. If evaluated with nix, this will probably error.
+{ 
+  regex = builtins.match "^.*[{](.+)[}].*$" "blahblah {something} blahblah" [ "something" ];
+
+  drv1 = stdenv.mkDerivation {
+    buildPhase = "mkdir $out";
+    installPhase = ''
+      echo "bar" > $out/foo.txt
+    '';
+  };
+  
+  drv2 = pkgs.writeShellApplication {
+    name = "shellApp";
+    buildInputs = [];
+    text = ''
+      echo "Hello world!"
+    '';
+  };
+
+  drv3 = pkgs.runCommand "foo-bar" {} ''
+    mkir $out
+    echo "bar" > $out/foo.txt
+  '';
+
+  drv4 = pkgs.writeShellScriptBin "hello" ''
+    echo "Hello world!"
+  '';
+
+  drv5 = pkgs.writeFishBin "hello" ''
+    echo "Hello world!"
+  '';
+
+  drv6 = pkgs.writeHaskellBin "hello" ''
+    main :: IO ()
+    main = putStrLn "Hello world!"
+  '';
+
+  drv7 = pkgs.writeJSBin "hello" ''
+    console.log('Hello world!');
+  '';
+
+  drv8 = pkgs.writePerlBin "hello" ''
+    print("Hello world!\n");
+  '';
+
+  drv9 = pkgs.writePythonBin "hello" ''
+    print("Hello world!");
+  '';
+
+  drv10 = pkgs.writeRustBin "hello" ''
+    fn main() {
+      println!("Hello world!");
+    }
+  '';
+
+  drv11 = {
+    nodes = null;
+    testScript = ''
+      print("Hello world!");
+    '';
+  };
+
+  mod1 = {
+    type = "lua";
+    config = ''
+      require('nvim-treesitter.configs').setup()
+    '';
+  };
+}