Convenience script to launch generator (#163)

I synced the connect exercise using

```
bin/run-generator -r
```

Author: keiravillekode

bin/run-generator

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+set -eu
+
+cd generators
+lake exe generator "$@"

exercises/practice/connect/.meta/tests.toml

@@ -30,6 +30,12 @@ description = "nobody wins crossing adjacent angles"
 [cd61c143-92f6-4a8d-84d9-cb2b359e226b]
 description = "X wins crossing from left to right"
 
+[495e33ed-30a9-4012-b46e-d7c4d5fe13c3]
+description = "X wins with left-hand dead end fork"
+
+[ab167ab0-4a98-4d0f-a1c0-e1cddddc3d58]
+description = "X wins with right-hand dead end fork"
+
 [73d1eda6-16ab-4460-9904-b5f5dd401d0b]
 description = "O wins crossing from top to bottom"
 

exercises/practice/connect/ConnectTest.lean

@@ -38,6 +38,16 @@ def connectTests : TestSuite :=
                                                "  O X O .",
                                                "   X X O X",
                                                "    . O X ."]))
+  |>.addTest "X wins with left-hand dead end fork" (do
+      return assertEqual 'X' (Connect.winner #[". . X .",
+                                               " X X . .",
+                                               "  . X X X",
+                                               "   O O O O"]))
+  |>.addTest "X wins with right-hand dead end fork" (do
+      return assertEqual 'X' (Connect.winner #[". . X X",
+                                               " X X . .",
+                                               "  . X X .",
+                                               "   O O O O"]))
   |>.addTest "O wins crossing from top to bottom" (do
       return assertEqual 'O' (Connect.winner #[". O . .",
                                                " O X X X",