Version 2.0 Beta

What's Changed

• Refactor diagnosis process by @rizkyilhampra in #63
• handle column next_first_gejala_id by @rizkyilhampra in #64
• add field id gejala, and name first gejala on next rule by @rizkyilhampra in #65
• remove legend on chart admin dashboard by @rizkyilhampra in #66
• Bring back chart / percentage on detail diagnosis by @rizkyilhampra in #67

Full Changelog: v1.3...v2.0