Add backgrounds for faithful, concord

hosts/concord.toml

@@ -0,0 +1,9 @@
+is-virtual = false
+base16-scheme = "seti"
+wireless = ["wlp0s20f3"]
+ethernet = ["eno1"]
+disks = ["/"]
+
+outputs = [
+    "\"Pioneer Electronic Corporation AV Receiver Unknown\" mode 3840x2160@60Hz scale 2.0 bg ~/.local/share/backgrounds/concord/full.jpg fill",
+]

hosts/faithful.toml

@@ -4,3 +4,7 @@ ethernet = ["enp2s0"]
 disks = ["/"]
 outputs = []
 temperature-path = "/sys/class/hwmon/hwmon5/temp1_input"
+
+outputs = [
+    "* bg ~/.local/share/backgrounds/faithful/full.jpg fill",
+]

raw/.local/share/backgrounds/concord/CREDIT.txt

@@ -0,0 +1 @@
+Source: https://pixabay.com/photos/avenue-trees-path-sunbeams-sunrays-815297/

raw/.local/share/backgrounds/faithful/CREDIT.txt

@@ -0,0 +1 @@
+Source: https://pixabay.com/photos/myanmar-burma-landscape-sunrise-2494826/