fix incorrect gui refresh if theme is changed

implement custom clientstore
add new Password page
if password is set force entering password to successfully receive the token
add a new unsafe api call for init call only

src/pages/AuthenticationPage/AuthenticationPage.tsx

@@ -0,0 +1,46 @@
+import React from "react";
+import {Button} from "../../elements/GPElements/Button";
+import style from './AuthenticationPage.module.css'
+
+interface state {
+    pwdText: string
+}
+
+interface props {
+    submit: (password: string) => void
+}
+
+class AuthenticationPage extends React.Component<props, state> {
+    constructor(props: props) {
+        super(props);
+
+        this.state = {
+            pwdText: ''
+        }
+    }
+
+    render(): JSX.Element {
+        return (
+            <>
+                <div className={style.openmediacenterlabel}>OpenMediaCenter</div>
+                <div className={style.main}>
+                    <div className={style.loginText}>Login</div>
+                    <div>
+                        <input className={style.input}
+                               placeholder='Password'
+                               type='password'
+                               onChange={(ch): void => this.setState({pwdText: ch.target.value})}
+                               value={this.state.pwdText}/>
+                    </div>
+                    <div>
+                        <Button title='Submit' onClick={(): void => {
+                            this.props.submit(this.state.pwdText);
+                        }}/>
+                    </div>
+                </div>
+            </>
+        );
+    }
+}
+
+export default AuthenticationPage;