feat(nixos): configure RomM metadata providers

configs/nixos/guests/romm.nix

@@ -83,6 +83,12 @@ in
       description = "SOPS secret name containing RomM's ScreenScraper password.";
     };
 
+    retroAchievementsApiKeySecret = lib.mkOption {
+      type = lib.types.str;
+      default = "services/romm/retroachievements/api-key";
+      description = "SOPS secret name containing RomM's RetroAchievements API key.";
+    };
+
     steamGridDbApiKeySecret = lib.mkOption {
       type = lib.types.str;
       default = "services/romm/steamgriddb/api-key";
@@ -212,6 +218,7 @@ in
           cfg.igdbClientSecretSecret
           cfg.screenScraperUserSecret
           cfg.screenScraperPasswordSecret
+          cfg.retroAchievementsApiKeySecret
           cfg.steamGridDbApiKeySecret
         ]
         (_: {
@@ -227,6 +234,7 @@ in
         IGDB_CLIENT_SECRET=${config.sops.placeholder.${cfg.igdbClientSecretSecret}}
         SCREENSCRAPER_USER=${config.sops.placeholder.${cfg.screenScraperUserSecret}}
         SCREENSCRAPER_PASSWORD=${config.sops.placeholder.${cfg.screenScraperPasswordSecret}}
+        RETROACHIEVEMENTS_API_KEY=${config.sops.placeholder.${cfg.retroAchievementsApiKeySecret}}
         STEAMGRIDDB_API_KEY=${config.sops.placeholder.${cfg.steamGridDbApiKeySecret}}
       '';
     };

configs/nixos/secrets/pikachu.yaml

@@ -6,6 +6,17 @@ services:
         lastfm:
             api-key: ENC[AES256_GCM,data:Zb0I5TpdEqOxLAD6ed2XywFGZp7dfY69vcGiWOUJkJQ=,iv:pO53pHr09jWfzJyTsQbTHtzTmiQ9+RQkDwZJmInIiX8=,tag:io9jkSN7TF2I8+qlSymaYw==,type:str]
             secret: ENC[AES256_GCM,data:rKhd9i0/tbJlXhc9Wf81IDydjpD8khSdwJEEMK260E4=,iv:btBXWBKJp9br5a3yZsRVegN8Ytzc45Qbk2iNlPbENkQ=,tag:LUbu+6gxfqQvVpddZto7Tg==,type:str]
+    romm:
+        igdb:
+            client-id: ENC[AES256_GCM,data:tme7NzzbOlCmkMwVObWz793mOsCyVIzSjGoFvxpe,iv:5aOMvsDi8Z9aBymbqhbK79X4kJsqaET1y2Py6YUZZ/U=,tag:ih3GghlxiLsVyeTJoqU9/Q==,type:str]
+            client-secret: ENC[AES256_GCM,data:AqF7B9VaxM/X3sRqY6C5JVWPWqgRIoqy09P9ZUFj,iv:D+vDPUuGGdzKYnTVTRkI9TV/EOJgVECIeNDt9g8NGl0=,tag:MRaTT7TdEZSd+98xthVw1A==,type:str]
+        retroachievements:
+            api-key: ENC[AES256_GCM,data:LMzETQCMi9Ib783W0BZDe2PaSUSTVM5a61502RtZLg8=,iv:Hf5nBoVtZdJszQuc2n0LVNMtJCCpJrh40y4g+l+az70=,tag:esfKLpI1W8BG3Pfsg3xxKQ==,type:str]
+        steamgriddb:
+            api-key: ENC[AES256_GCM,data:+kBRieIB/dHbvQLbH2gQTQh2j6DQhybVWEGkSCRZrZY=,iv:3h6dhfiV7HfaZhMv93x8+7F3utzYG6fIbTDScA14PVI=,tag:Wo24YnvsIxe7iMRLyxrj2w==,type:str]
+        screenscraper:
+            user: ENC[AES256_GCM,data:7hGcFF4xqg==,iv:SFOdYej94Thfn+Te0kXsC9Kq568A1dsnaR+JB90MgBQ=,tag:inIWuFY7f5Tvv8EyV71dYA==,type:str]
+            password: ENC[AES256_GCM,data:eUWwDDQUSytm/6QZlG5XjbSi41nsBQbm4w==,iv:82S2a3rAVjaF0CXcjXUXErNHMY7MEkjpDL7EVX9cIHw=,tag:uGuVJCv8ThsaNnA0C0WR2Q==,type:str]
 sops:
     age:
         - enc: |
@@ -26,7 +37,7 @@ sops:
             dyjzy0/9Ui1IIXH36AImO5hiEZcrGePV2qPLLQc7ZLngC1jlJuEKJA==
             -----END AGE ENCRYPTED FILE-----
           recipient: age1wf5s0n0tgt6ld2ysgu9dc67mj8ylwecgl4utzg7hqwy3kut9zyms7aglmh
-    lastmodified: "2026-09-12T22:54:25Z"
-    mac: ENC[AES256_GCM,data:4R3a0ytf4i8aM8iBQ9vRC/q+hvtjLrCTNgbpCB5DbqBMBYmhtGsBmO/0i1yT0N4tydyLaGOMkNfuuuVi3ASLEOKnViy9w3uD9IN0F79W4f2vguWUVIp/T8skvN9wbV9o9xd0LkJzmeVVgzb1H6HKw+rTGjbquleoIHEBDcDDM+k=,iv:0NlckMXlS+idY6UGBF+F0KFLt+pzD7Q/YEQOdXraAYg=,tag:JBBQduV8uhnKz9gPf6HfAQ==,type:str]
+    lastmodified: "2026-10-20T01:27:06Z"
+    mac: ENC[AES256_GCM,data:NCt6e/ctZwaBADfrhu1RXtILlClbHEqOAnIu8rE/zMPSwMIPB/kTtfd/ujf+1iRszoHaX4Se1xc0wz1th6NVToFVNarxBBgTk4JMUU8gdMweOjmwlh3GXU3ZcYY/xAXxWF1hxyXSEW78j3S2844H9XXENAq/Bf3mjdCYQ/qr/d4=,iv:4nFyBSmRvF4zSAwvL+xccMwtWrVbHtFKNoTb7f3rSH4=,tag:eCV/7P0TjyMZXKcWBUPXQA==,type:str]
     unencrypted_suffix: _unencrypted
     version: 3.13.3