feat(counters): Add details and initial refactor.

data/schema.sql

@@ -1454,6 +1454,7 @@ CREATE TABLE shoutouts(
 CREATE TABLE counters(
   counterid SERIAL PRIMARY KEY,
   name TEXT NOT NULL,
+  category TEXT,
   created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
 );
 CREATE UNIQUE INDEX counters_name ON counters (name);
@@ -1464,6 +1465,7 @@ CREATE TABLE counter_log(
   userid INTEGER NOT NULL,
   value INTEGER NOT NULL,
   created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  details TEXT,
   context_str TEXT
 );
 CREATE INDEX counter_log_counterid ON counter_log (counterid);