feat(x1): add secrets management and configuration

Introduce encrypted secrets and SOPS configuration for the x1 system. Update SSH and related services to utilize these secrets and modify flake.lock to align with the latest dependencies.

.secrets/x1/files.yaml

@@ -0,0 +1,41 @@
+hello: ENC[AES256_GCM,data:fXNDiacuFhmqmbo9FiGmoBKeOk7KvuVw3ytzcEzj/VxkqoDCGtJ2YX/TaVQfsQ==,iv:bHP2CYXZth3DX6OIeqdzv3zmFVWdRaNBvLuZx0FSyf8=,tag:bn1w5QcyyQ5EcXyoFnc1Zw==,type:str]
+example_key: ENC[AES256_GCM,data:lumROh5JwNpCJrNzxg==,iv:FLmpmVtzMUzPV9Y0nLTKXzisUqCZKonv44LviQTMsfU=,tag:Hp2N7AG7lGNQstt27Ty8pw==,type:str]
+#ENC[AES256_GCM,data:KrggG2yc0mFi3zoZ+WLd7w==,iv:GQZPZZH4xGxFcP5BLiwUIVQkCi7Bsmalsz/myNBbdoI=,tag:fzmEQLnWjfVc+iywEFwp9Q==,type:comment]
+example_array:
+    - ENC[AES256_GCM,data:7go3euwMIP7BDuq96vo=,iv:P8hx+DSSbkhrw0SOKLMtcc4/TZBODnQnQFRUxv49oio=,tag:Xi5JbLc+xvcOOv10pY1ydw==,type:str]
+    - ENC[AES256_GCM,data:WVgP3/Hak8ha5yaPmTU=,iv:2DwnOLze1a0vXfOey2xv4qOVE1PhOMq3e+GR/3RiOPU=,tag:TftAtYcHRQctTV5sBHPKFw==,type:str]
+example_number: ENC[AES256_GCM,data:fOprnAAZ/267JQ==,iv:5jvsM3i5iHcpSJWqcryqQJQZCrEP72jcAkyc7qVVirk=,tag:nxecWgcSZOyzuwvOlFawyw==,type:float]
+example_booleans:
+    - ENC[AES256_GCM,data:iCUmxA==,iv:On6DiKbzithmRq+smOW4pEq3tod0zWWT7dyW9ArolLY=,tag:yoD9ODLYSZkuP0qkUrkR3w==,type:bool]
+    - ENC[AES256_GCM,data:dAYxptk=,iv:JAm9mvA5EH581cZkaNK8yYkV8U8o2gWR2jAh+mUMxt0=,tag:W5sHPszsOzUDZ6mQgIcq+w==,type:bool]
+hosts: ENC[AES256_GCM,data:/28ojxFukz4ThwSjQGURtf+h5Ic5WJN6P8nC75zQWan6LANOVc1zk5tVh7qmSLXcGvGW/2IE0dpz2ysY+z7ujYdKSDA2neFy8+NoBXc3REG60nF/QdNiHMg2rlLfq9n7eQAqXGBSpED/41Y/YO2nuV8ehL4GtsDOuFZnxujnLbu+Q6u30yf+/IVqlk3VnWm5C+Fy6bdX2bYOUyM5ce313i4u5slBEBs0l1lQjX1vE4KK5F6t3d410NdGHShB+RXkOhaBujKX/hKEXWQku/nnjgOiP+JURB/qA/SZzxO/yoV7htNvCE/JcfmTk85SVPAmp7uy4egyK4FveKRXtT5Gla1Vnrg1v9NAVCuYgQECqhE3IYEjtUlxul0h+OI4JmnP6y90nLz8RozxGw4qIc8yJgOZmVORqr2PqbFbtdj8MKid9Df0ciU=,iv:YhMTYHV3kc3LQrAGaPgkek5ZrEYYcZxNOPyKUSbgsC8=,tag:Axx5CIPWdDb8hukM7H4sxg==,type:str]
+wg: ENC[AES256_GCM,data:HjvSsKAkH2yIpuPPteNz/7guP46OrRvH2eKIQPxMSf/kiWXHTRUZDUmGakbOryirkakkgQF1fwxRXehiFULvfaPb9WNx6kR7X7orNWmSR5CRmNWBCB5y7CRsSlO3frL8iKR1JLFjew7omktHiXBew63q38YvsvOeXI2zoLumuGuXl6JH5D9hK2AvEBUehMSkBzrLFgZNeNjsxnFatQEic9e6namjJ2TqcT4F1z4u/5yptkmUCpn4isLjV23zFOALOXcjjyy/9ztcKMGiGE+ULQM3fm+7c3ryux/PmREr2Aj0IDQMDXgJCPvdiHhXvC7K/oGwJPDJeP0v,iv:Lnz5RyUi9D3dClgzFmm4EeD6SZGuFFbs6JBIZevUIdo=,tag:EjheBu/a392lcAgQVVtIuw==,type:str]
+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
+        - recipient: age1z87u2na6vts0sqg6sc73p9ym6e5g9a0gf3hp9e7ha47e83zy4efqcjhk0y
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBRRXJtL2lpZlR1TDBRalZr
+            dmdpdmRrVGF0TnJFZHExQ3BuSS96Z0E5aENNCjNHbmJCRzdUVG9GOEdMaERRNzY2
+            aStWNTR2UHkwL3MvNGJnZGFhTXFaencKLS0tIFNlTDZWQVRpbWxJb2JlenRFRDJY
+            SFVUUHE0emZ6MS9VR0FWcytyQy90elUK3g0fuPB45+JnrRxgD+7Iijz6yUVVXct2
+            w5T1UPZElKZQM6VL0QMozD8/piu5sk15cubMnmLjxESztpMRxrgPnw==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1dwcz3fmp29ju4svy0t0wz4ylhpwlqa8xpw4l7t4gmgqr0ev37qrsfn840l
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBoYTdLcm9yTmRRaU5Qdlpy
+            M2dsalNReWhpZTZtNW9xL3pNbVUzOEZuMkJRCmpXcHpCZkt3NEZJYXBNMXc0Q3BY
+            ZlVBZ2hCenViSW5jRTc1cXFWVEJRZ2cKLS0tIGVROVBxaUFMNXVjdkcwNEE2VzJl
+            blhTd3BhbmgvZHQ4dkF3TTJMcERRN2sKoPKAYvJzRm72V5WEee+vNqjw+mRL66ir
+            DQRas5WfwqOIxHcPHpXHLu9zhmwlNKS+vt4GcG81l4eQLFDFmBol5w==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2025-04-04T11:23:03Z"
+    mac: ENC[AES256_GCM,data:l/WirVeSYQLuaZEjAPyX+5DJu3hfqiw1ZzPUNAbNKFQ1vUQf5Zxo3tfM7ROO+x95T9jGE271TIchTJAVu0C2XFTSPv7fJ9+WWyUr3JeFN1kFXt/k8Q5aLGdffAInhN2exsw/KKP0IXta5t4g2QfFsBZTDKCqLaj+WUeGBEJfjoc=,iv:J+6OIcE6i0Nt1Nb4m+aBBYeCj1iLNFigrRWYyYbY5GU=,tag:XTBvtWFNgRzuVyT7sWkGlg==,type:str]
+    pgp: []
+    unencrypted_suffix: _unencrypted
+    version: 3.9.4