Adding instructions on how to start a local server to interact with t…

…he LSP

REMOTE_TEST.md

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+You can simulate a remote LSP with the following scripts:
+
+Start a server on any port (here I chose 8000):
+`$ nc -k -l localhost 8000 > test.nc`
+
+Then, use the following script to read on a file:
+```
+touch $1
+inotifywait -m -e modify $1 | while read line
+do
+    if [ ! -s $1 ]; then
+       echo 'Waiting for content'
+    else
+	cat $1 | superbol lsp > superbol.log
+	> $1
+    fi
+done
+```
+
+and call it with `test.nc`.
+
+TODO: this script only receives information, but does not send it back to
+VSCODE; it only writes it in superbol.log. It should answer to the client.