Add deb target to linux build (#1093)

Summary:
I'm adding the `.deb` option to linux build, it makes easier to install.
```bash
cd desktop
yarn build --linux --linux-deb
```

## Changelog

- Add deb target to linux build
Pull Request resolved: https://github.com/facebook/flipper/pull/1093

Reviewed By: mweststrate

Differential Revision: D21378807

Pulled By: passy

fbshipit-source-id: a72a85705d3c464cddd80091d38c92012bdbee2c

desktop/package.json

@@ -3,7 +3,12 @@
   "version": "0.40.0",
   "description": "Mobile development tool",
   "productName": "Flipper",
-  "author": "Facebook Inc",
+  "author": {
+    "name": "Facebook Inc",
+    "email": "n/a",
+    "url": "https://github.com/facebook"
+  },
+  "homepage": "https://fbflipper.com/",
   "icon": "icon.png",
   "category": "facebook-intern",
   "privileged": true,
@@ -42,6 +47,13 @@
         "NSUserNotificationAlertStyle": "alert"
       }
     },
+    "linux": {
+      "icon": "icon.icns",
+      "category": "Development"
+    },
+    "deb": {
+      "icon": "icon.icns"
+    },
     "dmg": {
       "background": "dmgBackground.png",
       "icon": "icon.icns",
@@ -232,7 +244,7 @@
     "lint": "yarn lint:eslint && yarn lint:flow && yarn lint:tsc",
     "bump-versions": "./ts-node scripts/bump-versions.ts",
     "publish-packages": "./ts-node scripts/publish-packages.ts",
-    "everything": "yarn reset && yarn install && yarn lint && yarn test && yarn test-electron && yarn build --mac --mac-dmg --win --linux && yarn build-headless --mac --linux && yarn start"
+    "everything": "yarn reset && yarn install && yarn lint && yarn test && yarn test-electron && yarn build --mac --mac-dmg --win --linux --linux-deb && yarn build-headless --mac --linux && yarn start"
   },
   "optionalDependencies": {
     "7zip-bin-mac": "^1.0.1"

desktop/scripts/build-release.ts

@@ -80,6 +80,13 @@ async function buildDist(buildFolder: string) {
   }
   if (process.argv.indexOf('--linux') > -1) {
     targetsRaw.push(Platform.LINUX.createTarget(['zip']));
+
+    const argv = process.argv.slice(2);
+    if (argv.indexOf('--linux-deb') > -1) {
+      // linux targets can be:
+      // AppImage, snap, deb, rpm, freebsd, pacman, p5p, apk, 7z, zip, tar.xz, tar.lz, tar.gz, tar.bz2, dir
+      targetsRaw.push(Platform.LINUX.createTarget(['deb']));
+    }
   }
   if (process.argv.indexOf('--win') > -1) {
     targetsRaw.push(Platform.WINDOWS.createTarget(['zip']));