cleanup README

README.md

@@ -97,90 +97,6 @@ Now you will be able to jump from `Invoice->allocation` to `Payment` and other w
 
 ### Installation
 
-Install through composer (`composer require atk4\mastercrud`).
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-OLD DOCS
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-![step1](docs/images/step1.png)
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-Selecting client shows a detailed view:
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-![step2](docs/images/step2.png) 
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-Although not shown in this reference screenshot, but certain values (such as currency, payee, article, etc) may be configured to be clickable. Next if you open Payments tab, then `$client->ref('Payments')` will be set up for the CRUD:
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-![step3](docs/images/step3.png)
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-This can go as deep as necessary.
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-**CRUDCeption** can also be used with recursive models (which reference themselves)
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-### Installation and Use
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-Install through composer (`composer require atk4\crudception`) then use this code:
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-``` php
-$app->add('\atk4\crudception\CRUD');
-$app->setModel(
-  new Client($app->db), 
-  [
-    'Payment'=>[
-      'Payments',
-      'contact_id'=>'/',
-      'Allocation'=>[
-        // empty means this is just a crud
-      ]
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-    ],
-    'PayAcc'=>[
-      // seeding CRUD / View
-      ['\atk4\crudception\CRUD', 'Payments on Account', ['name'], ['name', 'surname']],
-    ]
-  ]
-);
-```
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-If it's unclear from the example above, then `setModel` second argument is passed an array in format: `relation => definition`.
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-The element with index `0` can be a seed for populating a `atk4\crudception\CRUD`. Other keys must match existing reference within the model. `hasOne` references can be passed a "Path", where '/' refers to the top-most node and then you can specify reference, e.g. `/Payment/Allocation`. All the entity arguments will be passed along: `payment_id=123&allocation_id=234234`. You can make link to a different page by passing array: `['otherpage', 'id'=>'payment_id']`; in which case values of `id` will be mapped to `123`.
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-For `hasMany` relation, you have to specify an Array or a Callback. If you specify an Array, then it should also contain same definition. You can also specify a path here.
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-### How does it work
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-CRUD uses a Callback with 3 triggers - browsing, editing and deleting. CRUDception\CRUD implements another state called `detail` which will be linked to the Title column. 
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-In this state, Tabs are added and the first column displays a selected model detail with a links to `hasOne` relations. Other tabs will contain `hasMany` relations.
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-See `demos/` for example usage. The above will have no impact, but will enable you to use other components.
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-## Roadmap
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-Generally we wish to keep this add-on clean, but very extensible, with various tutorials on how to implement various scenarios.
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+Install through composer (`composer require atk4/mastercrud`).