Rainbow Color Palette

What: Added a complete rainbow color palette to all theme variants (light, dark, and custom themes)

Details:

• Seven new rainbow colors: red, orange, yellow, green, blue, indigo, violet
• Each color includes both normal and shimmer variants for animated effects
• Colors added to theme objects: gq9 at line 360299, uq9 at line 360354, hq9 at line 360244, dq9 at line 360464, mq9 at line 360409, cq9 at line 360519
• Example color values:
• rainbow_red: "rgb(235,95,87)"
• rainbow_orange: "rgb(245,139,87)"
• rainbow_yellow: "rgb(250,195,95)"
• And corresponding shimmer variants for each