diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..135767f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,26 @@
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon

+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 2828442..3421ffb 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -7,18 +7,6 @@
         "id": "de74be30560f4575",
         "type": "tabs",
         "children": [
-          {
-            "id": "9e7be1904dfd4451",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "Algo/Séminaire/Chapter 5 - Recursivity.md",
-                "mode": "source",
-                "source": false
-              }
-            }
-          },
           {
             "id": "0d2d422aa24bb900",
             "type": "leaf",
@@ -168,7 +156,7 @@
       "command-palette:Open command palette": false
     }
   },
-  "active": "9e7be1904dfd4451",
+  "active": "0d2d422aa24bb900",
   "lastOpenFiles": [
     "Algo/Séminaire/Chapter 4 - A bit of imperative.md",
     "Algo/Séminaire/Chapter 3 - Case analysis.md",