Fix up devcontainer

Author: TheAngryByrd

.devcontainer/Dockerfile

@@ -17,8 +17,11 @@ RUN apt-get update \
         git \
         procps \
         wget \
+        nodejs \
+        npm \
     && rm -rf /var/lib/apt/lists/*
 
+RUN wget -qO- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.3/install.sh | bash
 
 ENV \
     # Enable detection of running in a container

.devcontainer/install-dotnets.sh

@@ -12,10 +12,11 @@ fi
 
 # Add additional versions if required
 DOTNET_VERSIONS=(
-    # 'latest'
-    '5.0.408'
+    'latest'
+    'LTS'
+    'STS'
 )
 for version in ${DOTNET_VERSIONS[@]}; do
     echo "installing dotnet $version"
-    /bin/bash dotnet-install.sh --verbose --version $version
+    /bin/bash dotnet-install.sh --verbose --channel $version
 done