docs: fix more broken links

Author: boblat

docs/algots.md

@@ -12,4 +12,4 @@ and debugged on a Node.js virtual machine with transpilation to EcmaScript and r
 
 Algorand TypeScript is compiled for execution on the AVM by PuyaTs, a TypeScript frontend for the [Puya](https://github.com/algorandfoundation/puya) optimising compiler that ensures the resulting AVM bytecode execution semantics that match the given TypeScript code. PuyaTs produces output that is directly compatible with AlgoKit typed clients to make deployment and calling easy.
 
-[Documentation](https://github.com/algorandfoundation/puya-ts/blob/main/README.md)
+[Documentation](https://algorandfoundation.github.io/puya-ts/index.html)

docs/testing-guide.md

@@ -2,6 +2,7 @@
 title: Algorand TypeScript Testing Guide
 children:
   - ./tg-concepts.md
+  - ./tg-application-spy.md
   - ./tg-avm-types.md
   - ./tg-arc4-types.md
   - ./tg-transactions.md

docs/tg-transactions.md

@@ -4,7 +4,7 @@ title: Transactions
 
 # Transactions
 
-The testing framework follows the Transaction definitions described in [`algorand-typescript` docs](https://github.com/algorandfoundation/puya-ts/blob/main/docs/lg-transactions.md). This section focuses on _value generators_ and interactions with inner transactions, it also explains how the framework identifies _active_ transaction group during contract method/subroutine/logicsig invocation.
+The testing framework follows the Transaction definitions described in [`algorand-typescript` docs](https://algorandfoundation.github.io/puya-ts/documents/Algorand_TypeScript_Language_Guide.Types.html#group-transactions). This section focuses on _value generators_ and interactions with inner transactions, it also explains how the framework identifies _active_ transaction group during contract method/subroutine/logicsig invocation.
 
 ```ts
 import * as algots from '@algorandfoundation/algorand-typescript'