File metadata sets (#1040)

* File metadata sets

* Make kind specific to release artifacts

* Update example

* Update README

51.md

@@ -49,6 +49,7 @@ Aside from their main identifier, the `"d"` tag, sets can optionally have a `"ti
 | Curation sets | 30005 | groups of videos picked by users as interesting and/or belonging to the same category        | `"a"` (kind:34235 videos)                                                         |
 | Interest sets | 30015 | interest topics represented by a bunch of "hashtags"                                         | `"t"` (hashtags)                                                                  |
 | Emoji sets    | 30030 | categorized emoji groups                                                                     | `"emoji"` (see [NIP-30](30.md))                                                   |
+| Release artifact sets | 30063 | groups of files of a software release  | `"e"` (kind:1063 [file metadata](94.md) events), `"i"` (application identifier, typically reverse domain notation), `"version"`  |
 
 ## Deprecated standard lists
 
@@ -103,6 +104,30 @@ Some clients have used these lists in the past, but they should work on transiti
 }
 ```
 
+### A _release artifact set_ of an Example App
+
+```json
+{
+  "id": "567b41fc9060c758c4216fe5f8d3df7c57daad7ae757fa4606f0c39d4dd220ef",
+  "pubkey": "d6dc95542e18b8b7aec2f14610f55c335abebec76f3db9e58c254661d0593a0c",
+  "created_at": 1695327657,
+  "kind": 30063,
+  "tags": [
+    ["d", "ak8dy3v7"],
+    ["i", "com.example.app"],
+    ["version", "0.0.1"],
+    ["title", "Example App"],
+    ["image", "http://cdn.site/p/com.example.app/icon.png"],
+    ["e", "d78ba0d5dce22bfff9db0a9e996c9ef27e2c91051de0c4e1da340e0326b4941e"], // Windows exe
+    ["e", "f27e2c91051de0c4e1da0d5dce22bfff9db0a9340e0326b4941ed78bae996c9e"], // MacOS dmg
+    ["e", "9d24ddfab95ba3ff7c03fbd07ad011fff245abea431fb4d3787c2d04aad02332"], // Linux AppImage
+    ["e", "340e0326b340e0326b4941ed78ba340e0326b4941ed78ba340e0326b49ed78ba"] // PWA
+  ],
+  "content": "Example App is a decentralized marketplace for apps",
+  "sig": "a9a4e2192eede77e6c9d24ddfab95ba3ff7c03fbd07ad011fff245abea431fb4d3787c2d04aad001cb039cb8de91d83ce30e9a94f82ac3c5a2372aa1294a96bd"
+}
+```
+
 ## Encryption process pseudocode
 
 ```scala

README.md

@@ -148,6 +148,7 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
 | `30023`       | Long-form Content          | [23](23.md)              |
 | `30024`       | Draft Long-form Content    | [23](23.md)              |
 | `30030`       | Emoji sets                 | [51](51.md)              |
+| `30063`       | Release artifact sets      | [51](51.md)              |
 | `30078`       | Application-specific Data  | [78](78.md)              |
 | `30311`       | Live Event                 | [53](53.md)              |
 | `30315`       | User Statuses              | [38](38.md)              |