Add matrix-sync compose setup

inventories/chaosknoten/host_vars/matrix-sync.sops.yaml

@@ -1,4 +1,6 @@
 ansible_pull__age_private_key: ENC[AES256_GCM,data:/+Ub9S/CRrSAeWX9cXzIMHjmDXwAh7hPSzXDnSh8iIZMJg+zW9c7mHqJV5B1AtDp9EQ+pSKpC1TdWuM0qGUABIi+cgZolWISXiI=,iv:lfHLyKsIgNhSm1pVERHT+2uMsP8PP8A49C9OAGsYkL0=,tag:AHRK8KuJJCZst+MsS3wXsw==,type:str]
+matrix_sync__matrix_access_token: ENC[AES256_GCM,data:GCrbVRoAKaNR0ToedY0mf11YYsIXgKgP+xhPYKJ8+5Sc8iXjTLCyWIw=,iv:DpbIRKAno+GWbBnOfVLvCJYAjlTHVVMeROZKOGaeP88=,tag:UMWTY51aHR7SNK4G2YcrpQ==,type:str]
+matrix_sync__keycloak_client_secret: ENC[AES256_GCM,data:5+NoUs/9QbxoUCJQwDTb4CqvRHP0ktXd9hEkfXoKx2Vgmd86Aqy6tv+ozrBh7LQVPurpSCnIkG6hSlQpjXs4WsXu6oarV2c4TsSWXFmsCpJPhmIIL0Q=,iv:cq6sd6eAwMsWve8rhyiI1v1O4jW7Xh4fH3H5zGAO4bQ=,tag:LVucuziDh2OgNzaof1qQGA==,type:str]
 sops:
   age:
     - enc: |
@@ -30,8 +32,8 @@ sops:
         qIJBztm2souvOZDMZSmbhKRptvwVcjIUrZ09uNqAWe+j22gYNlQMtQ==
         -----END AGE ENCRYPTED FILE-----
       recipient: age1q7kz3pnfq6cvtn56rlfgs52efcvtcmaq4xny0va3x5wxj4vpgccsenwxk6
-  lastmodified: "2026-10-08T12:20:28Z"
-  mac: ENC[AES256_GCM,data:3EAY9S9ZYjjXmqpV0DOZvc1ANHi4P2EhLM+WURsZPE0r1P8YDR0bAxbqilrCbm4U6WznACNfcoyn2esFy63t4va/TyVnLWfukqCUF0+xjd2ICMYTMsT2vzQDFDsBE1RDVJrWuCPC+hsZzBO0cRHrUBRgbWFuDa3eZHXxJl8YAWU=,iv:qNmzrSxrPozOSlh6re/czhUwnfgvAZfn9JQNADSqf3I=,tag:hQAb/WM1ytg3Avomt22P5A==,type:str]
+  lastmodified: "2026-10-08T12:40:22Z"
+  mac: ENC[AES256_GCM,data:6wKdBHTiBpqQ9F7xzt/DZpI/2D76O5ymdDDCl7gtvTL5rpCxMZyr4Ol/nlWqb2bbAVJPVdgBBVHPes6ENVNVhEXb45jZ/Dl2wAEwVfeso+VXOR2LKN1U6WU55G0tovZZlVxfI85tednSNXc9i0+2JQSEZsifUPU10KXITFMVjmY=,iv:tUcAObEkMWMC/RG2GbC7ev0O/JyobrkGZnGYJ7YYAhM=,tag:SDB4u+M1GytTMXLprX0ENw==,type:str]
   pgp:
     - created_at: "2026-10-08T12:18:55Z"
       enc: |-