Move plugins to "sonar/desktop/plugins"

Summary:
Plugins moved from "sonar/desktop/src/plugins" to "sonar/desktop/plugins".

Fixed all the paths after moving.

New "desktop" folder structure:
- `src` - Flipper desktop app JS code executing in Electron Renderer (Chrome) process.
- `static` - Flipper desktop app JS code executing in Electron Main (Node.js) process.
- `plugins` - Flipper desktop JS plugins.
- `pkg` - Flipper packaging lib and CLI tool.
- `doctor` - Flipper diagnostics lib and CLI tool.
- `scripts` - Build scripts for Flipper desktop app.
- `headless` - Headless version of Flipper desktop app.
- `headless-tests` - Integration tests running agains Flipper headless version.

Reviewed By: mweststrate

Differential Revision: D20344186

fbshipit-source-id: d020da970b2ea1e001f9061a8782bfeb54e31ba0

desktop/plugins/sections/d3/LICENSE

@@ -0,0 +1,26 @@
+Copyright (c) 2010-2016, Michael Bostock
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* The name Michael Bostock may not be used to endorse or promote products
+  derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL MICHAEL BOSTOCK BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

desktop/plugins/sections/d3/package.json

@@ -0,0 +1,70 @@
+{
+  "title": "sections-d3",
+  "name": "d3",
+  "version": "3.5.17",
+  "description": "A JavaScript visualization library for HTML and SVG.",
+  "bugs": {
+    "email": "danielbuechele@fb.com"
+  },
+  "keywords": [
+    "dom",
+    "w3c",
+    "visualization",
+    "svg",
+    "animation",
+    "canvas"
+  ],
+  "homepage": "http://d3js.org",
+  "author": {
+    "name": "Mike Bostock",
+    "url": "http://bost.ocks.org/mike"
+  },
+  "contributors": [
+    {
+      "name": "Jason Davies",
+      "url": "http://jasondavies.com"
+    }
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mbostock/d3.git"
+  },
+  "main": "d3.js",
+  "browser": "d3.js",
+  "jspm": {
+    "main": "d3",
+    "shim": {
+      "d3": {
+        "exports": "d3"
+      }
+    },
+    "files": [
+      "d3.js"
+    ],
+    "buildConfig": {
+      "uglify": true
+    }
+  },
+  "jam": {
+    "main": "d3.js",
+    "shim": {
+      "exports": "d3"
+    }
+  },
+  "spm": {
+    "main": "d3.js"
+  },
+  "devDependencies": {
+    "jsdom": "^16.0.1",
+    "seedrandom": "^3.0.5",
+    "smash": "0.0",
+    "uglify-js": "^3.7.5",
+    "vows": "0.8"
+  },
+  "scripts": {
+    "test": "vows && echo",
+    "prepublish": "npm test && rm -f package.js src/start.js d3.js d3.min.js d3.zip && bin/start > src/start.js && bin/meteor > package.js && smash src/d3.js | uglifyjs - -b indent-level=2 -o d3.js && bin/uglify d3.js > d3.min.js && chmod a-w d3.js d3.min.js package.js && zip d3.zip LICENSE d3.js d3.min.js",
+    "postpublish": "VERSION=`node -e 'console.log(require(\"./package.json\").version)'`; git push && git push --tags && cp -v README.md LICENSE d3.js d3.min.js ../d3-bower && cd ../d3-bower && git add README.md LICENSE d3.js d3.min.js && git commit -m \"Release $VERSION.\" && git tag -am \"Release $VERSION.\" v${VERSION} && git push && git push --tags && cd - && cp -v d3.js ../d3.github.com/d3.v3.js && cp -v d3.min.js ../d3.github.com/d3.v3.min.js && cd ../d3.github.com && git add d3.v3.js d3.v3.min.js && git commit -m \"d3 ${VERSION}\" && git push"
+  },
+  "license": "BSD-3-Clause"
+}