Unify docker devcontainer with dockerfile used for CI (#1587)

* Only use one Dockerfile and build.sh script for both docker and devcontainer
* Remove all now unneccessary tasks and scripts
* Update to clang-format-14
* Move devcontainer.json into root folder
* Fix conditional statements in Dockerfile
* Move .devcontainer/README into doc/usingDevcontainers
* Remove obsolete VSCode Task
* Change standard compiler path to the correct compiler
* Set GDB Path for debugging
* Hide broken buttons from CMake Extension
* Refactor .devcontainer
* Remove unneccessary postBuildCommand
* Add devcontainer dependencies to all docker images
* Add Devcontainer Debug launch config
* Add an additional c_cpp_properties config as a fallback for devcontainer
* Remove obsolete Docker Argument
* Fix wrong C/Cpp versions
* Fix silent fail of gdb, add libncurses5

docker/Dockerfile

@@ -37,6 +37,13 @@ RUN apt-get update -qq \
       libpangocairo-1.0-0 \
     && rm -rf /var/cache/apt/* /var/lib/apt/lists/*;
 
+# Add the necessary apt-gets for the devcontainer
+RUN apt-get update -qq \
+    && apt-get install -y \
+        clang-format-14 \
+        clang-tidy \
+        libncurses5
+
 # Git needed for PROJECT_GIT_COMMIT_HASH variable setting
 
 RUN pip3 install adafruit-nrfutil
@@ -55,5 +62,8 @@ RUN bash -c "source /opt/build.sh; GetNrfSdk;"
 # McuBoot
 RUN bash -c "source /opt/build.sh; GetMcuBoot;"
 
+# Add the infinitime user for connecting devcontainer
+RUN adduser infinitime
+    
 ENV SOURCES_DIR /sources
 CMD ["/opt/build.sh"]