Tests/cocotb (#19)

* wip

* reorg

* update sv int

* apb4 working

* apb3 working

* version bump + ignore runner warning

* remove redundant check

* adding log on failure

* cleaning up verilator version issue

* devcontainer

* Fix missing libpython in GitHub Actions CI environment (#21)

* Initial plan

* Install libpython in GitHub Actions for cocotb tests

Co-authored-by: arnavsacheti <36746504+arnavsacheti@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: arnavsacheti <36746504+arnavsacheti@users.noreply.github.com>

---------

Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>

.devcontainer/Dockerfile

@@ -0,0 +1,22 @@
+FROM verilator/verilator:latest
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        python3 \
+        python3-venv \
+        python3-pip \
+        python3-dev \
+        build-essential \
+        pkg-config \
+        git \
+        curl \
+        ca-certificates && \
+    rm -rf /var/lib/apt/lists/*
+
+ENV UV_INSTALL_DIR=/usr/local/bin
+ENV UV_LINK_MODE=copy
+# Install uv globally so both VS Code and terminals can use it
+RUN curl -LsSf https://astral.sh/uv/install.sh | sh
+RUN uv --version