fix(install): correct env file path and variable name in next-steps output

Author: User

install.sh

@@ -39,10 +39,10 @@ echo -e "${GREEN}✓ vram-validator ${TAG} installed${NC}"
 echo ""
 echo "  Next steps:"
 echo "  1. Copy and fill in your config:"
-echo "     curl -o .env https://raw.githubusercontent.com/${REPO}/main/.env.example"
-echo "     \$EDITOR .env   # set VRAMHUB_WALLET_MNEMONIC"
+echo "     curl -o ~/.env https://raw.githubusercontent.com/${REPO}/main/.env.example"
+echo "     \$EDITOR ~/.env   # set SLCL_WALLET_MNEMONIC and R2 credentials"
 echo ""
 echo "  2. Run:"
-echo "     vram-validator"
+echo "     source ~/.env && vram-validator"
 echo ""
 echo "  Docs: https://github.com/${REPO}#readme"