Add php support, update tweet links on python (#255)

Author: suyash691

github/php/plain/webapp/Application/LICENSE

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+    MIT License
+
+    Copyright (c) Microsoft Corporation. All rights reserved.
+
+    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

github/php/plain/webapp/Application/Readme.md

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+| Language | Framework | Platform | Author |
+| -------- | -------- |--------|--------|
+| PHP |  | Azure Web App, Virtual Machine| |
+
+
+# PHP web application
+
+Sample PHP web application that you can deploy to Azure.
+
+
+## License:
+
+See [LICENSE](LICENSE).
+
+## Contributing
+
+This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.
+

github/php/plain/webapp/Application/css/site.css

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+ html,
+        body {
+            height: 100%;
+            width: 100%;
+            padding: 0;
+            margin: 0;
+        }
+        @font-face{
+            font-family: "Segoe UI";
+            src: url('../fonts/segoeuil.ttf');
+        }
+        .main-container {
+            height: 100%;
+            width: 100%;
+            background-color: #1d539d;
+            color: white;
+            padding-top: 6%;
+            box-sizing: border-box;
+            overflow-y: auto;
+            overflow-x: hidden;
+            font-family: "Segoe UI";
+        }
+
+        .cloud-image {
+            width: 1200px;
+            height: 250px;
+            padding-bottom: 50px;
+            margin: auto;
+        }
+
+        .success-text {
+            padding-bottom: 20px;
+            font-size: 62px;
+            line-height: 73px;
+        }
+
+        .description {
+            font-size: 34px;
+            line-height: 40px;
+        }
+
+        .next-steps-container {
+            padding-top: 50px;
+        }
+
+        .next-steps-header {
+            font-size: 24px;
+            line-height: 28px;
+            padding-bottom: 25px;
+        }
+
+        .next-steps-body {
+            display: flex;
+            flex-direction: column;
+        }
+
+        .step {
+            display: flex;
+            margin: 7px 0px;
+            font-size: 15px;
+            line-height: 21px;
+        }
+
+        .step-icon {
+            height: 20px;
+            width: 20px;
+            margin-right: 10px;
+        }
+		
+		.step-text a {
+            color: white;
+			text-decoration: none;
+        }
+		
+		.step-text a:hover {
+            color: white;
+			text-decoration:underline;
+        }
+
+        .content {
+            box-sizing: border-box;
+            min-width: 700px;
+            max-width: 830px;
+            position: relative;
+            margin: auto;
+        }
+
+        .tweet-container {
+            min-width: 30px;
+            min-height: 100px;
+            margin: 0 20px;
+            position: absolute;
+            left: -100px;
+            top: 110px;
+        }
+        .content-body{
+            min-width: 400px;
+        }
+
+        @media (max-width: 1024px) {
+            .main-container{
+                padding-top: 1%;
+            }
+            .cloud-image {
+                padding-bottom: 30px;
+            }
+            .next-steps-container {
+                padding-top: 30px;
+            }
+            .next-steps-header {
+                padding-bottom: 20px;
+            }
+            .success-text {
+                font-size: 50px;
+                line-height: 61px;
+                padding-bottom: 10px;
+            }
+            .description {
+                font-size: 26px;
+                line-height: 30px;
+            }
+
+            .step {
+                font-size: 12px;
+                line-height: 18px;
+            }
+            .tweet-container {
+                top: 80px;
+            }
+            .content{
+                max-width: 630px;
+                min-width: 630px;
+            }
+        }