add support for changing PWA name

if environment variable `PWA_APPNAME` is set, then this value is used for the name of the PWA app.

Author: ajain-93

root/etc/s6-overlay/s6-rc.d/svc-code-server/run

@@ -14,6 +14,10 @@ else
     PROXY_DOMAIN_ARG="--proxy-domain=${PROXY_DOMAIN}"
 fi
 
+if [[ -z ${PWA_APPNAME} ]]; then
+    PWA_APPNAME="code-server"
+fi
+
 if [[ -z ${LSIO_NON_ROOT_USER} ]]; then
     exec \
         s6-notifyoncheck -d -n 300 -w 1000 -c "nc -z 127.0.0.1 8443" \
@@ -24,6 +28,7 @@ if [[ -z ${LSIO_NON_ROOT_USER} ]]; then
                     --extensions-dir /config/extensions \
                     --disable-telemetry \
                     --auth "${AUTH}" \
+                    --app-name "${PWA_APPNAME}" \
                     "${PROXY_DOMAIN_ARG}" \
                     "${DEFAULT_WORKSPACE:-/config/workspace}"
 else
@@ -35,6 +40,7 @@ else
                 --extensions-dir /config/extensions \
                 --disable-telemetry \
                 --auth "${AUTH}" \
+                --app-name "${PWA_APPNAME}" \
                 "${PROXY_DOMAIN_ARG}" \
                 "${DEFAULT_WORKSPACE:-/config/workspace}"
 fi