feat: remove added listener within core

docs: expand readme and show example

src/core.js

@@ -12,9 +12,4 @@ let handleKonami = (e) => (callback) => {
   } else {
     sequenceStep = 0;
   }
-}
-
-// Example usage:
-document.addEventListener("keydown", handleKonami(() => {
-  console.log('konami!');
-}));
+}

src/core.min.js

@@ -0,0 +1 @@
+let a=['ArrowUp','ArrowUp','ArrowDown','ArrowDown','ArrowLeft','ArrowRight','ArrowLeft','ArrowRight','b','a'];let b=0;let c=e=>A=>{if(a[b]===e.key){b+=1;b===a.length&&(b=0,A())}else b=0};

src/main.min.js

@@ -1 +0,0 @@
-let a=['ArrowUp','ArrowUp','ArrowDown','ArrowDown','ArrowLeft','ArrowRight','ArrowLeft','ArrowRight','b','a'];let b=0;document.addEventListener('keydown',(e=>A=>{if(a[b]===e.key){b+=1;b===a.length&&(b=0,A())}else b=0})(()=>console.log('konami!')));