feat(deck): Add bluetooth config from SteamOS.

Author: KyleGospo

Containerfile

@@ -203,4 +203,5 @@ RUN sed -i 's@enabled=1@enabled=0@g' /etc/yum.repos.d/_copr_ublue-os-akmods.repo
         /tmp/* \
         /var/* && \
     mkdir -p /var/lib/duperemove && \
+    mkdir -p /var/lib/bluetooth && \
     ostree container commit

system_files/deck/etc/bluetooth/main.conf

@@ -0,0 +1,13 @@
+[General]
+AlwaysPairable=true
+Privacy=device
+ControllerMode=dual
+JustWorksRepairing=always
+
+[Policy]
+AutoEnable=true
+
+[LE]
+MinConnectionInterval=7
+MaxConnectionInterval=9
+ConnectionLatency=0