update devcontainer containerfile

.devcontainer/Dockerfile

@@ -1,6 +1,6 @@
 FROM ubuntu:latest
 
-RUN apt-get update && apt-get upgrade -y && \
+RUN apt-get update && apt-get upgrade -y &&
     apt-get install -y \
         build-essential \
         gnupg2 \
@@ -9,23 +9,24 @@ RUN apt-get update && apt-get upgrade -y && \
         make \
         rsync \
         curl \
+        jq \
         wget \
         git \
         vim \
-        unzip \
-    && apt-get clean all \
-    && rm -rf /var/lib/apt/lists/*
+        unzip &&
+    apt-get clean all &&
+    rm -rf /var/lib/apt/lists/*
 
-RUN wget -q https://kcl-lang.io/script/install-cli.sh -O - | bash && \
-    wget -q https://kcl-lang.io/script/install-kcl-lsp.sh -O - | bash && \
-    wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/bin/yq && \
+RUN wget -q https://kcl-lang.io/script/install-cli.sh -O - | bash &&
+    wget -q https://kcl-lang.io/script/install-kcl-lsp.sh -O - | bash &&
+    wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/bin/yq &&
     chmod +x /usr/bin/yq
 
-RUN VERSION=$(curl -sL --url "https://golang.org/VERSION?m=text"|grep go) && \
-    wget -q https://go.dev/dl/${VERSION}.linux-amd64.tar.gz -O /tmp/go.tar.gz && \
-    tar -C /usr/local -xzf /tmp/go.tar.gz && \
-    rm /tmp/go.tar.gz && \
+RUN VERSION=$(curl -sL --url "https://golang.org/VERSION?m=text" | grep go) &&
+    wget -q https://go.dev/dl/${VERSION}.linux-amd64.tar.gz -O /tmp/go.tar.gz &&
+    tar -C /usr/local -xzf /tmp/go.tar.gz &&
+    rm /tmp/go.tar.gz &&
     ln -s /usr/local/go/bin/go /usr/local/bin/go
 
-RUN go install -v -x github.com/lxc/distrobuilder/distrobuilder@latest && \
+RUN go install -v -x github.com/lxc/distrobuilder/distrobuilder@latest &&
     ln -s /root/go/bin/distrobuilder /usr/local/bin/distrobuilder