Add devcontainer config

.devcontainer/Dockerfile

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+FROM mambaorg/micromamba:1.5-focal-cuda-11.7.1
+
+USER root
+
+RUN apt update && apt install -y git && apt clean
+
+USER $MAMBA_USER
+
+COPY --chown=$MAMBA_USER:$MAMBA_USER ./environment.yml /home/env.yaml
+
+RUN micromamba install -y -n base -f /home/env.yaml && \
+    micromamba clean --all --yes

.devcontainer/devcontainer.json

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+{
+    "name": "httomo",
+    "image": "gcr.io/diamond-pubreg/httomo/dev:0.0.1",
+    "workspaceMount": "src=${localWorkspaceFolder},dst=/httomo,type=bind",
+    "workspaceFolder": "/httomo",
+    // Please fill in:
+    // - `HTTOMOLIB_LOCAL_REPO` and `HTTOMOLIBGPU_LOCAL_REPO` with your local
+    // git repos of httomolib and httomolibgpu respectively
+    // - `LOCAL_OUT` with a directory that supports parallel I/O (any directory
+    // on a local drive will be sufficient)
+    "mounts": [
+        "src=HTTOMOLIB_LOCAL_REPO,dst=/httomolib,type=bind",
+        "src=HTTOMOLIBGPU_LOCAL_REPO,dst=/httomolibgpu,type=bind",
+        "src=LOCAL_OUT,dst=/httomo/output_dir,type=bind",
+    ],
+    "containerUser": "root",
+    "securityOpt": [ "label=disable" ],
+    "postCreateCommand": "micromamba run -n base pip install -e /httomolib /httomolibgpu /httomo",
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "ms-python.python",
+                "ms-pyright.pyright",
+                "charliermarsh.ruff",
+            ]
+        }
+    },
+    "settings": {
+        "python.analysis.typeCheckingMode": "strict",
+    }
+}

.devcontainer/environment.yml

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+name: httomo
+channels:
+  - astra-toolbox
+  - conda-forge
+  - httomo
+  - anaconda
+dependencies:
+  - astra-toolbox::astra-toolbox
+  - conda-forge::click>=8.1.3
+  - conda-forge::cupy
+  - conda-forge::h5py=*=*mpi_mpich*
+  - conda-forge::hdf5plugin
+  - conda-forge::mpi4py
+  - conda-forge::pyyaml
+  - conda-forge::numpy<1.24
+  - conda-forge::nvtx
+  - conda-forge::python
+  - conda-forge::plumbum
+  - anaconda::ipython
+  - conda-forge::tomopy
+  - httomo::larix
+  - httomo::tomobar