Better resize methods (#498)

* Port resize to wasm

* Expose resize algorithms

* Lanczos3 working!

* lol copy paste

* Adding support for other resizers

* Don’t track generated README

* Cache wasm instance

codecs/resize/pkg/resize.d.ts

@@ -0,0 +1,11 @@
+/* tslint:disable */
+/**
+* @param {Uint8Array} arg0 
+* @param {number} arg1 
+* @param {number} arg2 
+* @param {number} arg3 
+* @param {number} arg4 
+* @param {number} arg5 
+* @returns {Uint8Array} 
+*/
+export function resize(arg0: Uint8Array, arg1: number, arg2: number, arg3: number, arg4: number, arg5: number): Uint8Array;