Create API.md

app/sdk/API.md

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+The API for the Databag package is provided through a set of typescript interfaces. Each interface groups methods by their fonctionality and only need to be allocated as needed. 
+
+## Initialization
+
+<details>
+  <summary>The SDK must first be allocated</summary><br>
+  
+```DatabacgClientSDK(crypto: Crypto | null, log?: Logging)```
+</details>
+
+<details>
+  <summary>Persistent storage can then be provided to the SDK</summary><br>
+  
+Mobile apps typically use the SqlStore interface allowing for offline use cases where most of the relational data is stored
+
+```initOfflineStore(sql: SqlStore): Promise<Session | null>```
+
+Browser apps typically use the WebStore interface where minimal session data is stored
+
+```initOnlineStore(web: WebStore): Promise<Session | null>```
+</details>
+
+<details>
+  <summary>Account communcation is provided through the Session interface</summary><br>
+
+login provides a Session through an account login
+
+```login(handle: string, password: string, node: string, secure: boolean, mfaCode: string | null, params: SessionParams): Promise<Session>```
+
+access provides a Session through token access to an account when password is forgotten
+
+```access(node: string, secure: boolean, token: string, params: SessionParams): Promise<Session>```
+
+create provides a Session to a newly created account
+
+```create(handle: string, password: string, node: string, secure: boolean, token: string | null, params: SessionParams): Promise<Session>```
+
+available returns the number of accounts that can be publically created
+
+```available(node: string, secure: boolean): Promise<number>```
+
+username returns whether the username is available for account creation
+
+```username(name: string, token: string, node: string, secure: boolean): Promise<boolean>```
+
+logout releases the Session interface
+
+```logout(session: Session, all: boolean): Promise<void>```
+</details>
+
+<details>
+  <summary>Admin communcation is provided through the Node interface</summary><br>
+
+configure allocates the Node interface for the server
+
+```configure(node: string, secure: boolean, token: string, mfaCode: string | null): Promise<Node>```
+</details>
+
+<details>
+  <summary>Bot communication is provided through the Bot interface</summary><br>
+
+automate allocates the Bot interface for ia specific communication channel
+
+```automate(node: string, secure: boolean, token: string): Promise<Bot>```
+</details>