Add postgres migrations

.gitignore

@@ -1,5 +1,4 @@
 /target
-/migrations
 .idea
 config.toml
 .env

migrations/20260327_init.sql

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+create table if not exists favicons (
+    hash bytea primary key,
+    data text not null,
+    first_seen timestamp without time zone not null default now ()
+);
+
+create table if not exists countries (
+    network inet,
+    country text not null,
+    country_code text not null,
+    asn text,
+    asn_name text,
+    primary key (network)
+);
+
+create table if not exists servers (
+    address inet,
+    port integer,
+    first_seen timestamp without time zone not null default now (),
+    last_seen timestamp without time zone not null,
+    last_time_player_online timestamp without time zone not null,
+    last_time_no_players_online timestamp without time zone not null,
+    version_protocol integer not null,
+    version_name text not null,
+    enforces_secure_chat boolean not null,
+    previews_chat boolean not null,
+    is_online_mode boolean not null,
+    is_whitelisted boolean not null,
+    favicon_hash bytea references favicons (hash),
+    max_players integer,
+    online_players integer,
+    description_formatted text,
+    description_raw jsonb,
+
+    -- neoforge
+    is_modded boolean,
+
+    -- forge
+    fml_network_version integer,
+
+    -- nochatreports
+    prevents_chat_reports boolean,
+
+    -- better compatibility checker
+    bcc_modpack_projectid integer,
+    bcc_modpack_version text,
+    bcc_modpack_name text,
+
+    primary key (address, port)
+);
+
+create table if not exists players (
+        address inet,
+        port integer,
+        uuid uuid,
+        username text not null,
+        is_online_mode boolean not null,
+        first_seen timestamp without time zone not null default now (),
+        last_seen timestamp without time zone not null,
+        primary key (address, port, uuid),
+        foreign key (address, port) references servers (address, port) on delete cascade
+);
+
+create table if not exists mods (
+        address inet,
+        port integer,
+        id text,
+        mod_marker text,
+        primary key (address, port, id),
+        foreign key (address, port) references servers (address, port) on delete cascade
+);
+
+-- Indexes
+
+create index if not exists countries_index on countries using gist (network inet_ops);