add interface to readme

.timer.toml

@@ -1,3 +1,5 @@
 ## dates and their corresponding seconds been here :)
 [24-11-15]
 u80864958_at_u80864958 = 979
+[25-03-11]
+schreifuchs_at_archibald = 195

README.md

@@ -1,3 +1,24 @@
 # logger
 
 Just a simple logger
+
+## Logger interfaces
+Full:
+```go
+type Logger interface {
+    Debug(a ...any) 
+    Debugf(format string, a ...any) 
+
+    Info(a ...any) 
+    Infof(format string, a ...any) 
+
+    Warn(str ...any) 
+    Warnf(format string, a ...any) 
+
+    Error(a ...any) 
+    Errorf(format string, a ...any) 
+
+    Fatal(code int, a ...any) 
+    Fatalf(code int, format string, a ...any) 
+}
+```