feat: added dockerfile for devpod with necessary dependencies (and extras) for cpp and qt develpoment

.devcontainer/Dockerfile

@@ -0,0 +1,33 @@
+FROM debian:trixie
+RUN apt-get update && \
+  apt-get install -y \
+  build-essential \
+  cmake \
+  ninja-build \
+  qtbase5-dev \
+  qt5-qmake \
+  qtbase5-dev-tools \
+  googletest \
+  git \
+  curl \
+  clangd \
+  clang-format \
+  nodejs \
+  unzip \
+  python3-venv \
+  zsh \
+  ripgrep \
+  fd-find \
+  npm \
+  libgtest-dev \
+  pkg-config && \
+  rm -rf /var/lib/apt/lists/*
+
+# Google test is downloaded as source code normally
+WORKDIR /usr/src/googletest/googletest
+RUN cmake . && make
+
+# This is only needed for zsh, small quality-of-life upgrade
+RUN groupadd -g 1000 dev && useradd -m -u 1000 -g 1000 -s /bin/zsh dev
+USER dev
+RUN sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended