chore: improve README for firewall (custom port)

Signed-off-by: Martichou <[email protected]>

README.md

@@ -49,13 +49,11 @@ sudo dpkg -i r-quick-share_${VERSION}.deb
 ```
 
 #### Debian
-
 ```bash
 sudo dpkg -i r-quick-share_${VERSION}.deb
 ```
 
 #### RPM
-
 ```bash
 sudo rpm -i r-quick-share-${VERSION}.rpm
 ```
@@ -86,7 +84,6 @@ The snap is not yet on the store, but you can install it with the following (you
 ```bash
 snap install --dangerous r-quick-share_${VERSION}.snap
 ```
-<br>
 
 ---
 
@@ -96,6 +93,7 @@ snap install --dangerous r-quick-share_${VERSION}.snap
 #### AUR (Arch)
 
 For Arch Linux, you can install it from the AUR by using an AUR helper like yay.
+
 ```bash
 yay -S r-quick-share
 ```
@@ -112,7 +110,6 @@ $ nix-shell -p rquickshare
 </details>
 
 ---
-<br>
 
 Limitations
 --------------------------
@@ -144,8 +141,7 @@ A second workaround, you can download a Shortcut maker (see [here](https://xdafo
 	- Action: `com.google.android.gms.RECEIVE_NEARBY`
 	- Mime type: `*/*`
 
-_Note: there's a current WIP to add a BLE advertisment in RQuickShare to overcome this._
-_Note2: Samsung did something shady with Quick Share, so the above workaround may not work. Unfortunately, there's no alternative at the moment. Sorry._
+_Note: Samsung did something shady with Quick Share, so the above workaround may not work. Unfortunately, there's no alternative at the moment. Sorry._
 
 ### When sharing a file, my phone appears and disapears "randomly"
 
@@ -156,9 +152,11 @@ Android will see that your laptop/desktop is trying to share a file and will rev
 ### Once I close the app, it won't reopen
 
 Make sure the app is really closed by running:
+
 ```bash
 ps aux | grep r-quick-share
 ```
+
 If you see that the process is still running, it's because the app is not closed. This may be an intended behavior: when closing the window, the app won't stop and instead is still running and accessible via the system tray icon. But if your distribution doesn't support/don't have enabled them, it may be an issue for you.
 
 If you want to **really** close the app when clicking on the close button, you can change that inside the app by clicking on the three dots and then "Stop app on close".
@@ -168,8 +166,20 @@ If you want to **really** close the app when clicking on the close button, you c
 In this case, you may want to configure a static port to allow it in your firewall. You can do so by modifying the config file as follow:
 
 ```bash
+# linux
 vim ./.local/share/dev.mandre.rquickshare/.settings.json
+
+# mac
+vim Library/Application\ Support/dev.mandre.rquickshare/.settings.json
+
+# to be sure
+find $HOME -name ".settings.json"
 ```
+
+> [!WARNING]
+>
+> The json must stay valid after your modification, this means if "port" is the last item of the JSON it must not have a comma after it, otherwise the config will be reset.
+
 ```json
 {
 	...existing_config...,
@@ -184,6 +194,7 @@ By default the port is random (the OS will decide).
 This happens for some users running Linux + NVIDIA cards.
 
 The workaround is to start RQuickShare with an env variable defined as follow:
+
 ```bash
 env WEBKIT_DISABLE_COMPOSITING_MODE=1 rquickshare
 ```
@@ -195,7 +206,6 @@ WIP Notes
 
 Got feedback or suggestions? We'd love to hear them! Feel free to open an issue and share your thoughts.
 
-
 Credits
 --------------------------