Name log fields, metrics and the Core Rule Set package for what they are (closes #192)

Log field, metric, action and event names now say what they count
and, for timings, the unit. Package internal/waf is internal/coreruleset.

Model: opus-5-5

internal/bans/crowdsec_test.go

@@ -15,7 +15,7 @@ const scenario = "crowdsecurity/ssh-bf"
 func TestCrowdSecBanLastsUntilTheDecisionEnds(t *testing.T) {
 	t.Parallel()
 
-	ledger := bans.New(defaultRules())
+	ledger := bans.New(defaultParams())
 	netblock := netip.MustParsePrefix("203.0.113.9/32")
 	expires := midnight().Add(4 * time.Hour)
 
@@ -49,7 +49,7 @@ func TestCrowdSecBanLastsUntilTheDecisionEnds(t *testing.T) {
 func TestCrowdSecBanIsNeverMadePermanent(t *testing.T) {
 	t.Parallel()
 
-	ledger := bans.New(defaultRules())
+	ledger := bans.New(defaultParams())
 	netblock := netip.MustParsePrefix("203.0.113.9/32")
 	expires := midnight().Add(4 * time.Hour)
 	ledger.BanForCrowdSec(netblock, midnight(), expires, scenario, bans.Notes{})
@@ -72,7 +72,7 @@ func TestCrowdSecBanIsNeverMadePermanent(t *testing.T) {
 func TestCrowdSecBanIsCountedAndDoesNotLengthenTheNextBanForALimit(t *testing.T) {
 	t.Parallel()
 
-	ledger := bans.New(defaultRules())
+	ledger := bans.New(defaultParams())
 	netblock := netip.MustParsePrefix("203.0.113.9/32")
 
 	// Three times the three days would be permanent; a limit broken as the