feat: generate token and create own token

[tonoizer]

PR description

Describe your changes in detail here

Now you can regenerate a cryptographic token or you are able to create your own token by writing in the text field.
Currently, the rules are very simple, they have to be specified by the team in a more consice way. Additionally, I set it up so that the notification system is incorporated in this.

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Fix: #118

[tonoizer]

The current rules for the token are just placeholders because I am unsure what the rules should be therefore we need to decide what is important

1. min characters
2. what characters have to be in
3. numbers ?
4. etc.

[Claiyc]

The current rules for the token are just placeholders because I am unsure what the rules should be therefore we need to decide what is important

1. min characters

2. what characters have to be in

3. numbers ?

4. etc.

see #118 reply

[tonoizer]

I ran into something very strange but i don't know why

with this updated function so every generated token has all the properties

I reach the maximum call stack size

[Claiyc]

session stopped message should not appear when session is not running

[Claiyc]

lgtm