update website url across repo

CHANGELOG.md

@@ -690,9 +690,9 @@ ink! 3.0-rc4 is compatible with
 - [`substrate-contracts-node`](https://github.com/paritytech/substrate-contracts-node) version `0.1.0` or newer.
     - Install the newest version using `cargo install contracts-node --git https://github.com/paritytech/substrate-contracts-node.git --force`.
 
-The documentation on our [Documentation Portal](https://ink.substrate.io)
+The documentation on our [Documentation Portal](https://use.ink)
 is up-to-date with this release candidate. Since the last release candidate we notably
-added a number of [Frequently Asked Questions](https://ink.substrate.io/faq)
+added a number of [Frequently Asked Questions](https://use.ink/faq)
 there.
 
 ### Quality Assurance
@@ -721,7 +721,7 @@ of key improvements to our testing setup:
 - Implemented the (unstable) `seal_rent_status` API ‒ [#798](https://github.com/paritytech/ink/pull/798).
 - Implemented the (unstable) `seal_debug_message` API ‒ [#792](https://github.com/paritytech/ink/pull/792).
     - Printing debug messages can now be achieved via `ink_env::debug_println!(…)`.
-    - See [our documentation](https://ink.substrate.io/faq#how-do-i-print-something-to-the-console-from-the-runtime)
+    - See [our documentation](https://use.ink/faq#how-do-i-print-something-to-the-console-from-the-runtime)
       for more information.
     - The examples have been updated to reflect this new way of printing debug messages.
 - Added usage comments with code examples to the `ink_env` API ‒ [#797](https://github.com/paritytech/ink/pull/797).
@@ -782,7 +782,7 @@ ink! 3.0-rc3 is compatible with
 ### Added
 
 - Implemented chain extensions feature for ink!.
-- ink!'s official documentation portal: https://ink.substrate.io/
+- ink!'s official documentation portal: https://use.ink/
 - It is now possible to pass a `salt` argument to contract instantiations.
 - Implemented fuzz testing for the ink! codebase.
 

MONTHLY_UPDATE.md

@@ -1,3 +1,3 @@
 # Monthly Update: Parity Smart Contracts
 
-The monthly update has been moved to [https://ink.substrate.io/monthly-update](https://ink.substrate.io/monthly-update)!
+The monthly update has been moved to [https://use.ink/monthly-update](https://use.ink/monthly-update)!

examples/delegator/README.md

@@ -13,7 +13,7 @@ In order to test this bundle of smart contracts you need to execute the
 following steps.
 
 You can upload the contracts using our [Contracts UI](https://contracts-ui.substrate.io/).
-If you want to test it locally, our [`substrate-contracts-node`](https://ink.substrate.io/getting-started/setup/#installing-the-substrate-smart-contracts-node)
+If you want to test it locally, our [`substrate-contracts-node`](https://use.ink/getting-started/setup/#installing-the-substrate-smart-contracts-node)
 is an easy way to get a local smart contract chain running.
 
 1. Compile all contracts using the `./build-all.sh` script.

examples/rand-extension/README.md

@@ -4,7 +4,7 @@
 
 It demonstrates how to call a custom Substrate function from ink!.
 
-See [this chapter](https://ink.substrate.io/macros-attributes/chain-extension)
+See [this chapter](https://use.ink/macros-attributes/chain-extension)
 in our ink! documentation for more details.
 
 There are two parts to this example: