GenImagePerlinNoise and GenImageText. Get indexed functions for types.

API.md

@@ -2982,6 +2982,15 @@ Generate image: white noise
 
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+> image = RL.GenImagePerlinNoise( Vector2 size, Vector2 offset, float factor )
+
+Generate image: perlin noise
+
+- Failure return -1
+- Success return int
+
+---
+
 > image = RL.GenImageCellular( Vector2 size, int tileSize )
 
 Generate image: cellular algorithm. Bigger tileSize means bigger cells
@@ -2991,6 +3000,15 @@ Generate image: cellular algorithm. Bigger tileSize means bigger cells
 
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+> image = RL.GenImageText( Vector2 size, string text )
+
+Generate image: grayscale image from text data
+
+- Failure return -1
+- Success return int
+
+---
+
 ## Textures - Image Manipulation Functions
 
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