move to storing this info in a config file

Signed-off-by: Jeff Carr <jcarr@wit.com>

pinebook-imager/config.yml

@@ -12,3 +12,10 @@ arr1:
     - lo
     - wifi0
     - docker0
+
+dists:
+    - Debian x32
+    - Armbian
+    - Manjaro
+    - Android
+    - bob

pinebook-imager/main.go

@@ -113,11 +113,10 @@ func makeBurnSDcardPage() *ui.Box {
 	vbox := addGroupBox(hbox, "Select Distribution")
 
 	cbox := ui.NewCombobox()
-	cbox.Append("Armbian")
-	cbox.Append("Debian")
-	cbox.Append("Manjaro")
-	cbox.Append("q4os")
-	cbox.Append("android")
+	for _, addr := range config.Strings("dists") {
+		log.Println("addr =", addr)
+		cbox.Append(addr)
+	}
 	cbox.OnSelected(selectDrive)
 	vbox.Append(cbox, false)