ADDED: Missing resources on some examples

examples/models/resources/shaders/glsl120/skinning.fs

@@ -0,0 +1,18 @@
+#version 120
+
+// Input vertex attributes (from vertex shader)
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform vec4 colDiffuse;
+
+void main()
+{
+    // Fetch color from texture sampler
+    vec4 texelColor = texture2D(texture0, fragTexCoord);
+    
+    // Calculate final fragment color
+    gl_FragColor = texelColor*colDiffuse*fragColor;
+}