feat: simplify component structure by multiple refactors (#179)

BREAKING CHANGE: Simplified definition structure with support only for tagged component, implicit `property` and `render` factories, removed support for defining elements in templates

Author: smalluban

docs/store/usage.md

@@ -202,7 +202,7 @@ The model instance can be set by the property assertion (passing the id or a mod
 const el = document.createElement("my-element");
 el.user = "2";
 
-// set by model reference
+// set by model reference of the same model definition
 const someUser = store.get(User, "3");
 el.user = someUser;
 

src/children.js

@@ -22,10 +22,9 @@ export default function children(
     typeof hybridsOrFn === "function"
       ? hybridsOrFn
       : hybrids => hybrids === hybridsOrFn;
+
   return {
-    get(host) {
-      return walk(host, fn, options);
-    },
+    value: host => walk(host, fn, options),
     connect(host, key, invalidate) {
       const observer = new MutationObserver(invalidate);