install ripgrep for todotree

go/.devcontainer/Dockerfile

@@ -4,6 +4,10 @@ RUN apt-get update \
     && apt-get install -y build-essential \
     && rm -rf /var/lib/apt/lists/*
 
+RUN apt-get update \
+    && apt-get install -y ripgrep \
+    && rm -rf /var/lib/apt/lists/*
+
 ARG USERNAME=developer
 ARG USER_UID=1000
 ARG USER_GID=$USER_UID

go/.vscode/settings.json

@@ -3,5 +3,6 @@
     "terminal.integrated.env.linux": {
         "EDITOR": "code --wait"
     },
-    "terminal.integrated.defaultProfile.linux": "bash"
+    "terminal.integrated.defaultProfile.linux": "bash",
+    "todo-tree.ripgrep.ripgrep": "/usr/bin/rg"
 }