📝 Add structure to AA chapter

chapters/modules/chapter_7/nav.adoc

@@ -1,5 +1,13 @@
 * xref:index.adoc[Chapter 7: Account Abstraction]
-** xref:why_aa.adoc[7.1 Why Account Abstraction?]
-** xref:aa_what.adoc[7.2 What is Account Abstraction?]
-** xref:starknet_aa.adoc[7.3 StarkNet Account Abstraction Model]
-** xref:aa_coding.adoc[7.4 Account Abstraction: Let's Code]
+    ** xref:why_aa.adoc[7.1 Why Account Abstraction?]
+    ** xref:aa_what.adoc[7.2 What is Account Abstraction?]
+    ** xref:starknet_aa.adoc[7.3 StarkNet Account Abstraction Model]
+    ** xref:deploy_aa.adoc[7.4 Deploying and Interacting with Account Contracts]
+    ** xref:aa_coding.adoc[7.5 Coding Custom Account Contracts]
+        *** xref:signatures.adoc[7.5.1 Alternative Signature Schemes]
+        *** xref:multicall.adoc[7.5.2 Multicalls] 
+        *** xref:autopayment.adoc[7.5.3 Auto-Payments Accounts]
+        *** xref:multisig.adoc[7.5.4 Multisig Accounts]
+    ** xref:aa_security.adoc[7.6 Security Considerations]
+    ** xref:aa_roadmap.adoc[7.7 Roadmap]
+    

chapters/modules/chapter_7/pages/aa_coding.adoc

@@ -1,6 +1,6 @@
-[id="HandsOnAA"]
+[id="aa_coding"]
 
-= Account Abstraction Hands On
+= Coding Custom Account Contracts
 
 == Contributing
 🎯 +++<strong>+++STARKer: +++</strong>+++ This book is an open source effort, made possible only by contributions from readers like you. If you are interested in making this resource better for other users - please suggest a change by following the instructions https://github.com/starknet-edu/starknetbook/blob/main/CONTRIBUTING.adoc[here].

chapters/modules/chapter_7/pages/aa_roadmap.adoc

@@ -0,0 +1,7 @@
+[id="aa_roadmap"]
+
+= MulticRoadmapalls
+
+== Contributing
+🎯 +++<strong>+++STARKer: +++</strong>+++ This book is an open source effort, made possible only by contributions from readers like you. If you are interested in making this resource better for other users - please suggest a change by following the instructions https://github.com/starknet-edu/starknetbook/blob/main/CONTRIBUTING.adoc[here].
+🎯

chapters/modules/chapter_7/pages/aa_security.adoc

@@ -0,0 +1,7 @@
+[id="aa_security"]
+
+= Security Considerations
+
+== Contributing
+🎯 +++<strong>+++STARKer: +++</strong>+++ This book is an open source effort, made possible only by contributions from readers like you. If you are interested in making this resource better for other users - please suggest a change by following the instructions https://github.com/starknet-edu/starknetbook/blob/main/CONTRIBUTING.adoc[here].
+🎯

chapters/modules/chapter_7/pages/aa_what.adoc

@@ -1,4 +1,4 @@
-[id="WhatIsAA"]
+[id="aa_what"]
 
 = What is Account Abstraction?
 

chapters/modules/chapter_7/pages/autopayment.adoc

@@ -0,0 +1,7 @@
+[id="autopayment"]
+
+= Auto-Payments Accounts
+
+== Contributing
+🎯 +++<strong>+++STARKer: +++</strong>+++ This book is an open source effort, made possible only by contributions from readers like you. If you are interested in making this resource better for other users - please suggest a change by following the instructions https://github.com/starknet-edu/starknetbook/blob/main/CONTRIBUTING.adoc[here].
+🎯

chapters/modules/chapter_7/pages/deploy_aa.adoc

@@ -0,0 +1,7 @@
+[id="deploy_aa"]
+
+= Deploying and Interacting with Account Contracts
+
+== Contributing
+🎯 +++<strong>+++STARKer: +++</strong>+++ This book is an open source effort, made possible only by contributions from readers like you. If you are interested in making this resource better for other users - please suggest a change by following the instructions https://github.com/starknet-edu/starknetbook/blob/main/CONTRIBUTING.adoc[here].
+🎯

chapters/modules/chapter_7/pages/multicall.adoc

@@ -0,0 +1,7 @@
+[id="multicall"]
+
+= Multicalls
+
+== Contributing
+🎯 +++<strong>+++STARKer: +++</strong>+++ This book is an open source effort, made possible only by contributions from readers like you. If you are interested in making this resource better for other users - please suggest a change by following the instructions https://github.com/starknet-edu/starknetbook/blob/main/CONTRIBUTING.adoc[here].
+🎯

chapters/modules/chapter_7/pages/multisig.adoc

@@ -0,0 +1,7 @@
+[id="multisig"]
+
+= Multisig Accounts
+
+== Contributing
+🎯 +++<strong>+++STARKer: +++</strong>+++ This book is an open source effort, made possible only by contributions from readers like you. If you are interested in making this resource better for other users - please suggest a change by following the instructions https://github.com/starknet-edu/starknetbook/blob/main/CONTRIBUTING.adoc[here].
+🎯

chapters/modules/chapter_7/pages/signatures.adoc

@@ -0,0 +1,7 @@
+[id="signatures"]
+
+= Alternative Signature Schemes
+
+== Contributing
+🎯 +++<strong>+++STARKer: +++</strong>+++ This book is an open source effort, made possible only by contributions from readers like you. If you are interested in making this resource better for other users - please suggest a change by following the instructions https://github.com/starknet-edu/starknetbook/blob/main/CONTRIBUTING.adoc[here].
+🎯

chapters/modules/chapter_7/pages/starknet_aa.adoc

@@ -1,4 +1,4 @@
-[id="StarkNetAA"]
+[id="starknet_aa"]
 
 = Account Abstraction model in StarkNet
 

chapters/modules/chapter_7/pages/why_aa.adoc

@@ -1,4 +1,4 @@
-[id="WhyAA"]
+[id="why_aa"]
 
 = Why Account Abstraction?