add vim for rebasing

.devcontainer/dockerfile

@@ -19,7 +19,7 @@ RUN apt-get update && \
     apt-get install --no-install-recommends -y \
     python$PYTHON_VERSION \
     python$PYTHON_VERSION-distutils \
-    git curl gdb ca-certificates gnupg2 tar make gcc libssl-dev zlib1g-dev libncurses5-dev \
+    git vim curl gdb ca-certificates gnupg2 tar make gcc libssl-dev zlib1g-dev libncurses5-dev \
     libbz2-dev libreadline-dev libreadline6-dev libxml2-dev xz-utils libgdbm-dev libgdbm-compat-dev tk-dev dirmngr \
     libxmlsec1-dev libsqlite3-dev libffi-dev liblzma-dev lzma lzma-dev uuid-dev && \
     rm -rf /var/lib/apt/lists/*