FInished doc pages

Author: FlorianRappl

api/components/pi-component.md

@@ -38,10 +38,6 @@ All events are emitted through the Picard.js event system.
 
 ```ts
 interface ChangedDataEvent {
-  /**
-   * The previously deserialized data.
-   */
-  previous: any;
   /**
    * The currently deserialized data.
    */

api/configuration/index.md

@@ -1,3 +1,6 @@
 # Configuration Overview
 
-...
+The following configuration sections exist:
+
+- [Initialization Options](./options.md)
+- [Runtime Services](./services.md)

api/lifecycle/index.md

@@ -4,14 +4,14 @@
 
 | Name              | Region | Arguments                                             | Returns           |
 | ----------------- | ------ | ----------------------------------------------------- | ----------------- |
-| `load`            | Client |                                                       | `Promise`         |
-| `unload`          | Client |                                                       | `Promise`         |
-| `mount`           | Client | `container` (HTMLElement), `props` (1), `locals`: (2) |                   |
-| `unmount`         | Client | `container` (HTMLElement), `locals` (2)               |                   |
-| `update`          | Client | `props` (1), `locals` (2)                             |                   |
-| `bootstrap`       | Server |                                                       | `Promise`         |
+| `load`            | Client |                                                       | `Promise<void>`   |
+| `unload`          | Client |                                                       | `Promise<void>`   |
+| `mount`           | Client | `container` (HTMLElement), `props` (1), `locals` (2)  | `void`            |
+| `unmount`         | Client | `container` (HTMLElement), `locals` (2)               | `void`            |
+| `update`          | Client | `props` (1), `locals` (2)                             | `void`            |
+| `bootstrap`       | Server |                                                       | `Promise<void>`   |
 | `stringify`       | Server | `props` (1)                                           | `Promise<string>` |
 
 (1) the `props` are the deserialized object from the `data` property
 
-(2) the `locals` is an (initially) empty object that can be used at will to transport information between the different lifecycles; it is created per component instance
+(2) the `locals` is an (initially) empty object that can be used at will to transport information between the different lifecycle methods; it is created per component instance