Update settings

.gitignore

@@ -1 +1,2 @@
 _build/
+input.txt

.ocamlformat

@@ -0,0 +1 @@
+version = 0.26.2

.vscode/settings.json

@@ -0,0 +1,17 @@
+{
+    "[ocaml]": {
+        "editor.tabSize": 2,
+        "editor.rulers": [
+            80
+        ],
+        "editor.formatOnSave": true
+    },
+    "[ocaml.interface]": {
+        "editor.tabSize": 2,
+        "editor.rulers": [
+            80
+        ],
+        "editor.formatOnSave": true
+    },
+    "sarif-viewer.connectToGithubCodeScanning": "off"
+}