Both Israel and Hamas have agreed to President Trump’s peace deal to end the two-year war in Gaza and release the remaining 48 hostages, including the bodies of two Americans. But that’s just the first step of Trump’s 20-point plan to end the war and rebuild the Palestinian enclave. What comes next could be even harder, observers warn. “There’s always concerns. I mean, this is a terrorist organization,” Israeli Deputy Foreign Minister Sherren Haskel told The Post. “They didn’t just say yes to