Added unique textures for all chems and updated ThingDefs to use them. Rebalanced stimpak, super stimpak, and ultra stimpak effects and healing parameters, including new pain and consciousness penalties. Changed stimpak crafting to require specific research. Removed Atomic Cocktail drug and its associated HediffDef.
Introduces new XML definition files for chems, stimpaks, and related items, including chemical, hediff, and thing definitions. Removes old stimpak and radaway XMLs, consolidating and expanding drug and effect definitions. Adds new texture for Doctor's Bag.
Introduces new Stimpak item and Hediff definitions, including diluted, standard, ultra, super, auto, and auto-super variants. Adds corresponding textures for all Stimpak types and updates Radaway to use a new texture and effect. Updates About.xml for RimWorld 1.6 compatibility and refreshes mod icon and preview images.