feat(copyparty): add NixOS guest

secrets/shared.yaml

@@ -3,7 +3,7 @@ services:
     copyparty:
         users:
             alexion:
-                password: ENC[AES256_GCM,data:N7lCHbddcbRy757DbQwudIzcfWR8kDfiYgE/xBgrG1YbG1yBHWQ+IA2kVguTBH4m17N8M03xQfpcO86UBnuNFSGyrNFAUE+oDUQ=,iv:WTwNOkZSitPXW8QccOlEFw6K2ArQCCu5dq82ZsB/vfM=,tag:dM7hrFuKIfv6fpC0U5/tVw==,type:str]
+                password: ENC[AES256_GCM,data:SSyo2l6tCjgjxIuCEREIxU+inw2WHtJJR0/IEKUqefFfuAdA5Nf+lH/jfPw=,iv:9225w1Yur3KL3dBr1ct1aPvDdVJ94O8q9qAUiRrj8Nc=,tag:qZgx4XieVq4BcxkTZc0KGQ==,type:str]
 sops:
     age:
         - enc: |
@@ -33,7 +33,7 @@ sops:
             QkVLBz5x+ShVun27nN3oz8And0qXfwgXojhM3yWnBSUa9CFBsbTOJQ==
             -----END AGE ENCRYPTED FILE-----
           recipient: age1wf5s0n0tgt6ld2ysgu9dc67mj8ylwecgl4utzg7hqwy3kut9zyms7aglmh
-    lastmodified: "2026-08-16T18:23:31Z"
-    mac: ENC[AES256_GCM,data:qgJpUdB3ZCck9Aa+QBOHdGNq88VXL7hrEjgRYvKC0GbOGTbCOBuMk8dYGjKbi8HCPdhWvhzLrlmnrg2/wciHfcgmQKx8S9RfkoorUV/jp4YYhueYkGMqN9ol9+Jvlknv9BUQT6jmsFesz8DT/+inl2lO1JxGW1LZ3nYLU7hSN6k=,iv:1GFyAKMYV2s3HI3MiyNpAqMIN2KaCeBLNljPtnLNn1E=,tag:jRb9NB7VgdJkyJG5osfqaw==,type:str]
+    lastmodified: "2026-08-17T00:30:50Z"
+    mac: ENC[AES256_GCM,data:bNOsakxhrlO1quwLGA8inruHZ6tFpUo6cKMlV10jkJ75GOFzl5jzflGIuPfyncJCtIaZRBA2tS17TpGEEJozmbB2xQkeu67NmzOpEdoJzZWs/bY0FslbpGf8aGAd15BjOYNyMMNFavt0anRgEnsYXTDCflDCHLg1wvAvwtgRGYs=,iv:kfpzzWn3BHkSTQ8qpcD9lYn4wnZ/3nj/41SR25vUahE=,tag:8D1LSEBJIQcwYK9ETomwIw==,type:str]
     unencrypted_suffix: _unencrypted
     version: 3.13.3