Adds pancake tag to pancake recipes missing the tag (#271)

* Adds the pancake tag

To match with the danish pancake tag that already exists
(https://github.com/LukeSmithxyz/based.cooking/blob/master/src/danish-pancake.md)

* Adds the pancake tag

To match with the danish pancake tag that already exists
(https://github.com/LukeSmithxyz/based.cooking/blob/master/src/danish-pancake.md)

* Adds the pancake tag

To match with the danish pancake tag that already exists
(https://github.com/LukeSmithxyz/based.cooking/blob/master/src/danish-pancake.md)

src/banana-pancakes.md

@@ -27,4 +27,4 @@ Either eat the pancakes as they get ready or put a plate in a preheated oven (lo
 
 - Ricky Lindén - [website](https://rickylinden.com), [donate](https://rickylinden.com/donate.html)
 
-;tags: breakfast quick sweet cake
+;tags: breakfast quick sweet cake pancake

src/oaty-pancakes.md

@@ -40,4 +40,4 @@ and serve bacon or sausages alongside if you like.
 
 Puremana
 
-;tags: breakfast quick sweet cake
+;tags: breakfast quick sweet cake pancake

src/pancake.md

@@ -19,4 +19,4 @@ Here is a simple Pancake recipe
 
 BeFe
 
-;tags: quick basic breakfast sweet cake
+;tags: quick basic breakfast sweet cake pancake