Update repository structure

Author: charoitel

functions/aws/LICENSE

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+MIT License
+
+Copyright (c) 2020 Charoite Lee
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

functions/aws/index.js

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+let {createCanvas} = require('canvas');
+
+exports.handler = async (event) => {
+	let canvas = createCanvas(200, 200),
+		ctx = canvas.getContext('2d');
+
+	// Write "Awesome!"
+	ctx.font = '30px Impact';
+	ctx.rotate(0.1);
+	ctx.fillText('Awesome!', 50, 100);
+
+	// Draw line under text
+	let text = ctx.measureText('Awesome!');
+	ctx.strokeStyle = 'rgba(0,0,0,0.5)';
+	ctx.beginPath();
+	ctx.lineTo(50, 102);
+	ctx.lineTo(50 + text.width, 102);
+	ctx.stroke();
+
+    return {
+        statusCode: 200,
+        headers: {
+            'Content-Type': 'image/png'
+        },
+        body: canvas.toDataURL().replace(/data:image\/png;base64,/, ''),
+        isBase64Encoded: true
+    }
+}