Simply OneBlock (26.2 Sulfur Caves Included)

Additions :

• Added new phase
    ◦ Sulfur Caves
• Added new blocks
    ◦ Sulfur
    ◦ Potent sulfur
    ◦ Cinnabar
• Added new mob
    ◦ Sulfur Cubes
• Added new loot
    ◦ Sulfur spike
    ◦ Bucket of sulfur cube
    ◦ Music disc “bounce”

Changes :

• Added a new portal in phase_20

Technical :

• Modified entity type in files to match the new syntax
• Modified end advancement to match the new syntax
• Added auto update mechanic to allow progress continuity between 1.2.x and 1.3.x