doc: add JSDoc annotations in the core folder

start documenting a bit, mostly inconsequential changes

core/http.js

@@ -1,3 +1,9 @@
+/**
+ * TODOC
+ * TODO: document so we can make this improve
+ * @param {*} url 
+ * @returns 
+ */
 function parseUrl(url) {
 	// XXX: Hack.
 	let match = url.match(new RegExp("(\\w+)://([^/:]+)(?::(\\d+))?(.*)"));
@@ -9,6 +15,11 @@ function parseUrl(url) {
 	};
 }
 
+/**
+ * TODOC
+ * @param {*} data 
+ * @returns 
+ */
 function parseResponse(data) {
 	let firstLine;
 	let headers = {};
@@ -28,6 +39,13 @@ function parseResponse(data) {
 	return {body: data};
 }
 
+/**
+ * TODOC
+ * @param {*} url 
+ * @param {*} options 
+ * @param {*} allowed_hosts 
+ * @returns 
+ */
 export function fetch(url, options, allowed_hosts) {
 	let parsed = parseUrl(url);
 	return new Promise(function(resolve, reject) {