feat: Upgrade devcontainer setup (#14419)

* Feat: Upgrade devcontainer

* Style: Format devcontainer.json

* Chore: Remove settings from devcontainer

* chore: add shebang

* chore: fix shellcheck

---------

Co-authored-by: Bünyamin Olgun <buenyamin.olgun@cancom.de>
Co-authored-by: Jason Rasmussen <jason@rasm.me>

.devcontainer/scripts/onCreateCommand.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# Enable multiarch for arm64 if necessary
+if [ "$(dpkg --print-architecture)" = "arm64" ]; then
+    sudo dpkg --add-architecture amd64 && \
+    sudo apt-get update && \
+    sudo apt-get install -y --no-install-recommends \
+        qemu-user-static \
+        libc6:amd64 \
+        libstdc++6:amd64 \
+        libgcc1:amd64
+fi
+
+# Install DCM
+wget -qO- https://dcm.dev/pgp-key.public | sudo gpg --dearmor -o /usr/share/keyrings/dcm.gpg
+sudo echo 'deb [signed-by=/usr/share/keyrings/dcm.gpg arch=amd64] https://dcm.dev/debian stable main' | sudo tee /etc/apt/sources.list.d/dart_stable.list
+
+sudo apt-get update
+sudo apt-get install dcm
+
+dart --disable-analytics
+
+# Install immich
+cd /immich || exit
+make install-all