[TASK] Initial commit with composer files, gitignore and first extensions

* Adds extensions realurl and typo3_console
* Uses TYPO3 core ^7.6

.gitignore

+# Created by .ignore support plugin (hsz.mobi)
+.idea
+typo3_src
+bin/*
+!bin/scripts/
+vendor
+htdocs/typo3
+htdocs/index.php
+htdocs/typo3conf/ext/*
+!htdocs/typo3conf/ext/ter*

composer.json

+{
+  "name": "t3o/ter",
+  "description": "Website for TYPO3 Extension Repository",
+  "minimum-stability": "stable",
+  "authors": [
+    {
+      "name": "t3o team",
+      "email": "maintenance@typo3.org"
+    }
+  ],
+  "repositories": [
+    {
+      "type": "composer",
+      "url": "https://composer.typo3.org"
+    }
+  ],
+  "require": {
+    "typo3/cms": "^7.6",
+    "helhum/typo3-console": "4.0.0",
+    "dmitryd/typo3-realurl": "^2.1"
+  },
+  "config": {
+    "bin-dir": "bin"
+  },
+  "extra": {
+    "typo3/cms": {
+      "web-dir": "htdocs"
+    },
+    "helhum/typo3-console": {
+      "install-binary": false,
+      "install-extension-dummy": false
+    }
+  }
+}