fix: Add channel link data.

data/schema.sql

@@ -1403,6 +1403,27 @@ CREATE TABLE stream_alerts(
 );
 
 
+-- }}}
+-- Channel Linker {{{
+
+CREATE TABLE links(
+  linkid SERIAL PRIMARY KEY,
+  name TEXT
+);
+
+CREATE TABLE channel_webhooks(
+  channelid BIGINT PRIMARY KEY,
+  webhookid BIGINT NOT NULL,
+  token TEXT NOT NULL
+);
+
+CREATE TABLE channel_links(
+  linkid INTEGER NOT NULL REFERENCES links (linkid) ON DELETE CASCADE,
+  channelid BIGINT NOT NULL REFERENCES channel_webhooks (channelid) ON DELETE CASCADE,
+  PRIMARY KEY (linkid, channelid)
+);
+
+
 -- }}}