Add pnpm dependency installation for rln tests

Makefile

@@ -112,11 +112,8 @@ ifeq (, $(shell which cargo))
 	curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain stable
 endif
 
-anvil: rustup
-ifeq (, $(shell which anvil 2> /dev/null))
-# Install Anvil if it's not installed
-	./scripts/install_anvil.sh
-endif
+rln-deps: rustup
+	./scripts/install_rln_tests_dependencies.sh
 
 deps: | deps-common nat-libs waku.nims
 

scripts/install_pnpm.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+# Install pnpm
+if ! command -v pnpm &> /dev/null; then
+    echo "pnpm is not installed, installing it now..."
+    curl -L https://unpkg.com/@pnpm/self-installer | node
+fi
+

scripts/install_rln_tests_dependencies.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+# Install Anvil
+if ! command -v anvil &> /dev/null; then
+    ./scripts/install_anvil.sh
+fi
+
+#Install pnpm
+if ! command -v pnpm &> /dev/null; then
+    ./scripts/install_pnpm.sh
+fi