feat: setup for blossom uploads

refactor: move db to crate

zap-stream-db/src/model.rs

@@ -0,0 +1,57 @@
+use chrono::{DateTime, Utc};
+use sqlx::{FromRow, Type};
+use std::fmt::{Display, Formatter};
+
+#[derive(Debug, Clone, FromRow)]
+pub struct User {
+    pub id: u64,
+    pub pubkey: [u8; 32],
+    pub created: DateTime<Utc>,
+    pub balance: i64,
+    pub tos_accepted: DateTime<Utc>,
+    pub stream_key: String,
+    pub is_admin: bool,
+    pub is_blocked: bool,
+}
+
+#[derive(Default, Debug, Clone, Type)]
+#[repr(u8)]
+pub enum UserStreamState {
+    #[default]
+    Unknown = 0,
+    Planned = 1,
+    Live = 2,
+    Ended = 3,
+}
+
+impl Display for UserStreamState {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        match self {
+            UserStreamState::Unknown => write!(f, "unknown"),
+            UserStreamState::Planned => write!(f, "planned"),
+            UserStreamState::Live => write!(f, "live"),
+            UserStreamState::Ended => write!(f, "ended"),
+        }
+    }
+}
+
+#[derive(Debug, Clone, Default, FromRow)]
+pub struct UserStream {
+    pub id: u64,
+    pub user_id: u64,
+    pub starts: DateTime<Utc>,
+    pub ends: Option<DateTime<Utc>>,
+    pub state: UserStreamState,
+    pub title: Option<String>,
+    pub summary: Option<String>,
+    pub image: Option<String>,
+    pub thumb: Option<String>,
+    pub tags: Option<String>,
+    pub content_warning: Option<String>,
+    pub goal: Option<String>,
+    pub pinned: Option<String>,
+    pub cost: u64,
+    pub duration: f32,
+    pub fee: Option<u32>,
+    pub event: Option<String>,
+}