Enable docker-compose exec workspace npm (and yarn, etc.) (laradock#1743)

* fix node PATH to enable docker-compose exec workspace npm
* add PATH for yarn to enable docker-compose exec workspace yarn

Author: Tatamo

workspace/Dockerfile

@@ -448,6 +448,7 @@ RUN if [ ${INSTALL_NODE} = true ]; then \
         && if [ ${INSTALL_NPM_VUE_CLI} = true ]; then \
         npm install -g @vue/cli \
         ;fi \
+        && ln -s `npm bin --global` /home/laradock/.node-bin \
 ;fi
 
 # Wouldn't execute when added to the RUN statement in the above block
@@ -468,7 +469,7 @@ RUN if [ ${INSTALL_NODE} = true ]; then \
 ;fi
 
 # Add PATH for node
-ENV PATH $PATH:$NVM_DIR/versions/node/v${NODE_VERSION}/bin
+ENV PATH $PATH:/home/laradock/.node-bin
 
 RUN if [ ${NPM_REGISTRY} ]; then \
     . ~/.bashrc && npm config set registry ${NPM_REGISTRY} \
@@ -504,6 +505,9 @@ RUN if [ ${INSTALL_YARN} = true ]; then \
     echo 'export PATH="$YARN_DIR/bin:$PATH"' >> ~/.bashrc \
 ;fi
 
+# Add PATH for YARN
+ENV PATH $PATH:/home/laradock/.yarn/bin
+
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