Update to include flatpak use

Author: gbraad

itch.md

@@ -4,13 +4,14 @@
 
 ## vars
 ```
+APPNAME="itch"
 ITCHVERSION=1.27.0
 ITCHURL="https://broth.itch.zone/itch-setup/linux-amd64/${ITCHVERSION}/archive/default"
 ITCHHOME=${HOME}/.itch
 ITCHBIN=${ITCHHOME}/itch
 ```
 
-## install
+## user-install
 ```sh interactive
 curl -L -o /tmp/itch-setup.zip ${ITCHURL}
 unzip /tmp/itch-setup.zip -d /tmp
@@ -19,14 +20,21 @@ unzip /tmp/itch-setup.zip -d /tmp
 
 ## default alias run-desktop
 ```sh
-if ! apps itch check; then
-  apps itch install
+if apps itch check user; then
+    apps itch run user
+elif apps itch check flatpak; then
+    apps itch run flatpak
 else
-  ${ITCHBIN}
+    echo "${APPNAME} is not installed."
 fi
 ```
 
-## check
+## user-run
+```sh
+${ITCHBIN}
+```
+
+## user-check
 ```sh
 [ -x ${ITCHBIN} ]
 ```
@@ -36,3 +44,13 @@ fi
 flatpak install -y flathub io.itch.itch
 ```
 
+## flatpak-run
+```sh
+flatpak run io.itch.itch
+```
+
+## flatpak-check
+```sh
+flatpak info io.itch.itch > /dev/null
+```
+