Update docker-compose.yml, .gitignore files

.gitignore

@@ -1,5 +1 @@
-# The tinc host private key
-tinc/lixonet/rsa_key.priv
-
-# Custom host-specific Lixonet configuration
-lixonet.conf
+build/

docker-compose.yml

@@ -9,7 +9,7 @@ services:
       - "655:655/tcp"
       - "655:655/udp"
     volumes:
-      - ./tinc:/etc/tinc
+      - /etc/tinc:/etc/tinc
     environment:
       - RUNMODE=server
       - NETNAME=lixonet
@@ -22,7 +22,7 @@ services:
     ports:
       - "179:179/tcp"
     volumes:
-      - ./bird:/etc/bird
+      - /etc/bird:/etc/bird
     cap_add:
       - NET_ADMIN
     restart: always