add Material Color swatches

Author: SmartToolFactory

README.md

@@ -0,0 +1,13 @@
+# Jetpack Compose Extended Colors
+
+* Utility library that extends Compose Colors with Material Design2 colors, Color swatches like in
+  [Flutter](https://api.flutter.dev/flutter/material/Colors-class.html).
+
+* Material Design 3 tonal palette,
+  see [Material Design 3 site](https://m3.material.io/styles/color/the-color-system/key-colors-tones)
+  for more information about the Material 3 color system and tonal palettes.
+
+* Rotatable gradients by 45 degrees with aim to add rotation by any angle in the future Utility
+
+* Functions to convert between `androidx.compose.ui.graphics.Color`, HSL, HSV, `RGB`, HCT, and
+  colors with nearest **Name** based on distance is in 3D space using `Red`, `Green`, `Blue`.

app/src/main/java/com/smarttoolfactory/composecolorsextended/MainActivity.kt

@@ -9,10 +9,13 @@ import androidx.compose.material.Surface
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.tooling.preview.Preview
 import com.smarttoolfactory.composecolorsextended.ui.theme.ComposeColorsExtendedTheme
+import com.smarttoolfactory.extendedcolors.MaterialSwatches
 
 class MainActivity : ComponentActivity() {
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContent {
@@ -22,7 +25,7 @@ class MainActivity : ComponentActivity() {
                     modifier = Modifier.fillMaxSize(),
                     color = MaterialTheme.colors.background
                 ) {
-                    Greeting("Android")
+
                 }
             }
         }