diff --git a/artifacts/app.wasm b/artifacts/app.wasm
new file mode 100644
index 0000000..7ec7b0b
Binary files /dev/null and b/artifacts/app.wasm differ
diff --git a/artifacts/checksums.txt b/artifacts/checksums.txt
index 8e3ac11..dc743aa 100644
--- a/artifacts/checksums.txt
+++ b/artifacts/checksums.txt
@@ -1 +1 @@
-910e1fb423546a122d71aa44426f2e893861d6e92e4edc4986f585cc2ee06421  app.wasm
+69375bfe25a9a18e41b6987f3bb3598365843558ea1c966bf4cc48fa6adaf8fc  app.wasm
diff --git a/artifacts/checksums_intermediate.txt b/artifacts/checksums_intermediate.txt
new file mode 100644
index 0000000..02d9672
--- /dev/null
+++ b/artifacts/checksums_intermediate.txt
@@ -0,0 +1 @@
+5edc6d889283c7107888a00dfb0103bef6d2b14bae4f9f65494270a89777f1ac  /target/wasm32-unknown-unknown/release/app.wasm
diff --git a/src/handlers/query.rs b/src/handlers/query.rs
index f17babf..4192196 100644
--- a/src/handlers/query.rs
+++ b/src/handlers/query.rs
@@ -1,11 +1,11 @@
 use crate::contract::{App, AppResult};
 use crate::msg::{AppQueryMsg, ConfigResponse};
 use crate::state::CONFIG;
-use cosmwasm_std::{to_binary, Binary, Deps, Env, StdResult};
+use cosmwasm_std::{to_json_binary, Binary, Deps, Env, StdResult};
 
 pub fn query_handler(deps: Deps, _env: Env, _app: &App, msg: AppQueryMsg) -> AppResult<Binary> {
     match msg {
-        AppQueryMsg::Config {} => to_binary(&query_config(deps)?),
+        AppQueryMsg::Config {} => to_json_binary(&query_config(deps)?),
     }
     .map_err(Into::into)
 }
diff --git a/template-setup.sh b/template-setup.sh
old mode 100644
new mode 100755
index 971fc85..15854ca
--- a/template-setup.sh
+++ b/template-setup.sh
@@ -2,5 +2,36 @@
 
 mv example.env .env
 
-# Delete this script after running
-rm -- "$0"
+# Function to prompt for 'y' input
+prompt_confirmation() {
+    local prompt_message="$1"
+    read -p "$prompt_message (y/n): " -n 1 -r
+    echo    # Move to a new line
+    [[ $REPLY =~ ^[Yy]$ ]]
+}
+
+# Check if 'just' command is available
+if ! command -v just &> /dev/null
+then
+    echo "'just' command not found. 🤨"
+
+    # Ask to install 'just'
+    if prompt_confirmation "Do you want to install the 'just' command runner?"
+    then
+        cargo install just
+        echo "'just' has been installed."
+    else
+        echo "Installation of 'just' cancelled. Can't install tools. ❌"
+        exit 0
+    fi
+fi
+
+# Ask to install tools using 'just'
+if prompt_confirmation "Do you want to install tools (cargo-nextest, taplo-cli, cargo-watch, cargo-limit)?"
+then
+    just install-tools
+    echo "Tools have been installed! 👷"
+else
+    echo "Tools installation cancelled. ❌"
+    exit 0
+fi