chore: add codium/vscode devcontainer

.devcontainer/Dockerfile

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+FROM ghcr.io/alvr/alpine-android:android-33-jdk21
+
+ARG USERNAME=developer
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+
+RUN apk --no-cache add git \
+    sudo \ 
+    nano \
+    bash \
+    bash-completion && \
+    # setup sudo user and permissions
+    addgroup -g $USER_GID $USERNAME && \
+    adduser -u $USER_UID -G $USERNAME $USERNAME --disabled-password -s /bin/bash && \
+    echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME && \
+    chmod 0440 /etc/sudoers.d/$USERNAME && \
+    echo $USERNAME:10000:5000 > /etc/subuid; \
+    echo $USERNAME:10000:5000 > /etc/subgid; \
+    chown -R developer:developer /opt/sdk/
+
+USER $USERNAME
+
+# configure environment
+RUN bash -c "$(curl -fsSL https://raw.githubusercontent.com/ohmybash/oh-my-bash/master/tools/install.sh)" && \
+    # setup editor
+    echo "export EDITOR=/usr/bin/nano" >> ~/.bashrc

.devcontainer/devcontainer.json

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+{
+    "build": {
+        "dockerfile": "Dockerfile"
+    },
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "adelphes.android-dev-ext",
+                "vscjava.vscode-java-pack"
+            ]
+        }
+    },
+    "mounts": [
+        "source=${localEnv:HOME}/.android,target=/home/developer/.android,type=bind,consistency=cached"
+    ],
+    "runArgs": [
+        "--init",
+        "--network=host",
+        "--device=/dev/bus/usb",
+        "--privileged",
+//        "--userns=keep-id" // needed if podman is used instead of docker
+    ],
+    "postStartCommand": "sudo chown -R developer:developer /opt/sdk/",
+    "initializeCommand": "mkdir -p ${localEnv:HOME}/.android" // make sure folder exists so that bind mount does not fail
+}

.vscode/extensions.json

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+{
+    "recommendations": [
+        "adelphes.android-dev-ext",
+        "vscjava.vscode-java-pack"
+    ]
+}

.vscode/settings.json

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+{
+    "launch": {
+        "version": "0.2.0",
+        "configurations": [
+            {
+                "type": "android",
+                "request": "launch",
+                "name": "Launch App",
+                "appSrcRoot": "${workspaceRoot}/app/src/main",
+                "apkFile": "${workspaceRoot}/app/build/outputs/apk/mainline/debug/app-mainline-debug.apk",
+                "adbSocket": "localhost:5037",
+                "autoStartADB": true,
+                "staleBuild": "warn",
+                "targetDevice": "${command:PickAndroidDevice}",
+                "manifestFile": "${workspaceRoot}/app/src/main/AndroidManifest.xml",
+                "pmInstallArgs": [
+                    "-r"
+                ],
+                "amStartArgs": [
+                    "-D",
+                    "--activity-brought-to-front",
+                    "-a android.intent.action.MAIN",
+                    "-c android.intent.category.LAUNCHER",
+                    "-n nodomain.freeyourgadget.gadgetbridge/nodomain.freeyourgadget.gadgetbridge.activities.ControlCenterv2"
+                ],
+                "postLaunchPause": 10000,
+                "trace": true
+            }
+        ],
+        "compounds": []
+    },
+    "java.jdt.ls.androidSupport.enabled": "on",
+    // -- Auto format code with a provided rule set:
+    //    "editor.formatOnSave": true,
+    //    "java.format.settings.url": "https://raw.githubusercontent.com/android/platform_development/master/ide/eclipse/android-formatting.xml",
+    //    "java.format.enabled": true
+}