add QR code info

vision/QR_Codes.md

@@ -0,0 +1,28 @@
+---
+title: "QR Codes"
+tags: [ "Documentation", "qrencode", "zbar" ]
+---
+
+Make a QR Code image:
+
+```bash
+qrencode 'https://play.google.com/store/apps/details?id=org.briarproject.briar.android' -o "$FILE".png
+```
+
+Make a QR Coded message in the terminal:
+
+```bash
+qrencode -t ansi "Hello World"
+```
+
+Read a QR Code image:
+
+```bash
+zbarimg $FILE
+```
+
+Show wifi QR code (only with Network Manager):
+
+```bash
+nmcli device wifi show-password
+```

vision/qrencode.md

@@ -1,17 +0,0 @@
----
-title: "qrencode"
-tags: [ "Documentation", "vision" ]
----
-
-Make a QR Code image:
-
-```bash
-qrencode 'https://play.google.com/store/apps/details?id=org.briarproject.briar.android' -o qr_briar.png
-```
-
-Make a QR Coded message in the terminal:
-
-```bash
-qrencode -t ansi "Hello World"
-```
-