Rename zed-server to collab

Over time, I think we may end up having multiple services, so it seems like a good opportunity to name this one more specifically while the cost is low. It just seems like naming it "zed" and "zed-server" leaves it a bit open ended.

crates/server/src/bin/seed.rs

@@ -1,85 +0,0 @@
-use db::{Db, UserId};
-use rand::prelude::*;
-use time::{Duration, OffsetDateTime};
-
-#[allow(unused)]
-#[path = "../db.rs"]
-mod db;
-
-#[async_std::main]
-async fn main() {
-    let mut rng = StdRng::from_entropy();
-    let database_url = std::env::var("DATABASE_URL").expect("missing DATABASE_URL env var");
-    let db = Db::new(&database_url, 5)
-        .await
-        .expect("failed to connect to postgres database");
-
-    let zed_users = ["nathansobo", "maxbrunsfeld", "as-cii", "iamnbutler"];
-    let mut zed_user_ids = Vec::<UserId>::new();
-    for zed_user in zed_users {
-        if let Some(user) = db
-            .get_user_by_github_login(zed_user)
-            .await
-            .expect("failed to fetch user")
-        {
-            zed_user_ids.push(user.id);
-        } else {
-            zed_user_ids.push(
-                db.create_user(zed_user, true)
-                    .await
-                    .expect("failed to insert user"),
-            );
-        }
-    }
-
-    let zed_org_id = if let Some(org) = db
-        .find_org_by_slug("zed")
-        .await
-        .expect("failed to fetch org")
-    {
-        org.id
-    } else {
-        db.create_org("Zed", "zed")
-            .await
-            .expect("failed to insert org")
-    };
-
-    let general_channel_id = if let Some(channel) = db
-        .get_org_channels(zed_org_id)
-        .await
-        .expect("failed to fetch channels")
-        .iter()
-        .find(|c| c.name == "General")
-    {
-        channel.id
-    } else {
-        let channel_id = db
-            .create_org_channel(zed_org_id, "General")
-            .await
-            .expect("failed to insert channel");
-
-        let now = OffsetDateTime::now_utc();
-        let max_seconds = Duration::days(100).as_seconds_f64();
-        let mut timestamps = (0..1000)
-            .map(|_| now - Duration::seconds_f64(rng.gen_range(0_f64..=max_seconds)))
-            .collect::<Vec<_>>();
-        timestamps.sort();
-        for timestamp in timestamps {
-            let sender_id = *zed_user_ids.choose(&mut rng).unwrap();
-            let body = lipsum::lipsum_words(rng.gen_range(1..=50));
-            db.create_channel_message(channel_id, sender_id, &body, timestamp, rng.gen())
-                .await
-                .expect("failed to insert message");
-        }
-        channel_id
-    };
-
-    for user_id in zed_user_ids {
-        db.add_org_member(zed_org_id, user_id, true)
-            .await
-            .expect("failed to insert org membership");
-        db.add_channel_member(general_channel_id, user_id, true)
-            .await
-            .expect("failed to insert channel membership");
-    }
-}