add baseband receiver and broadway pusher

.forgejo/workflows/build-client.yml

@@ -38,3 +38,7 @@ jobs:
       with:
         name: BaseBand-Broadway.jar
         path: Client/build/proguard/BaseBand-Broadway.jar
+    - name: Release to server
+      if: github.ref == 'refs/heads/release'
+      run: bash push_broadway.sh
+

Server/baseband_receiver.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+while true ; do
+  nc -lp 3849 | gpg -d --assert-signer B0F943A1A93444BFA8C030CCC36DCC0986B8748F > BaseBand-Broadway.jar.tmp 2> /dev/stdout \
+   || continue
+
+  mv BaseBand-Broadway.jar.tmp BaseBand-Broadway.jar
+  sleep 5
+done

push_broadway.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# DO NOT RUN THIS MANUALLY. PUSH TO RELEASE INSTEAD. ( <- unless there is an emergency.)
+
+echo "$GPG_PRIVATEKEY" | gpg --import
+(
+  gpg -sear BaseBand -u BaseBand < Client/build/proguard/BaseBand-Broadway.jar
+  sleep 1
+) | nc -c $BB_HOST 3849