Fix typo and add publishConfig

packages/provider/package.json

@@ -9,6 +9,10 @@
     "url" : "https://gitlab.tugraz.at/dbp/web-components/toolkit.git",
     "directory": "packages/provider"
   },
+  "publishConfig": {
+    "registry": "https://registry.npmjs.org",
+    "access": "public"
+  },
   "devDependencies": {
     "@rollup/plugin-commonjs": "^16.0.0",
     "@rollup/plugin-json": "^4.1.0",

packages/provider/src/dbp-provider-demo.js

@@ -94,7 +94,7 @@ class ProviderDemo extends ScopedElementsMixin(LitElement) {
                     <dbp-consumer id="c2"
                                   subscribe="foo:foo"
                     ></dbp-consumer>
-                    <p>Consumer <em>"c3"</em> subscribes for <em>status</em> wich is provided as <em>availability</em></p>
+                    <p>Consumer <em>"c3"</em> subscribes for <em>status</em> which is provided as <em>availability</em></p>
 <pre>
 &lt;dbp-consumer  id="c3"  subscribe="availability:status"  border-color="orange" &gt;&lt;/dbp-consumer&gt;
 </pre>
@@ -102,7 +102,7 @@ class ProviderDemo extends ScopedElementsMixin(LitElement) {
                                   subscribe="availability:status"
                                   border-color="orange"
                     ></dbp-consumer>
-                    <p>Consumer <em>"c4"</em> subscribes for <em>status</em> wich is provided as <em>unknown-name</em> which does not exist...</p>
+                    <p>Consumer <em>"c4"</em> subscribes for <em>status</em> which is provided as <em>unknown-name</em> which does not exist...</p>
 <pre>
 &lt;dbp-consumer  id="c4"  subscribe="unknown-name:status"  border-color="darkgray" &gt;&lt;/dbp-consumer&gt;
 </pre>