Disable data-source terser minification

Summary:
I don't think this should make a difference in our size. Will see
in the size check.

This makes it quite hard right now to read errors that involve the data-source
package because terser runs over it.

Reviewed By: nikoant

Differential Revision: D29228941

fbshipit-source-id: 8cc79e4148be0e8ced9186323967bc79ba781c0b

desktop/flipper-plugin/src/data-source/flipper-data-source.tsconfig.json

@@ -1,10 +1,10 @@
 {
   "compilerOptions": {
-    "target": "es5",                            
+    "target": "es5",
-    "module": "commonjs",                       
+    "module": "commonjs",
-    "strict": true,                             
+    "strict": true,
-    "esModuleInterop": true,                    
+    "esModuleInterop": true,
-    "skipLibCheck": true,                       
+    "skipLibCheck": true,
-    "forceConsistentCasingInFileNames": true    
+    "forceConsistentCasingInFileNames": true
   }
 }

desktop/flipper-plugin/src/data-source/package.json

@@ -10,8 +10,8 @@
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
   "scripts": {
-    "build": "microbundle --tsconfig flipper-data-source.tsconfig.json --compress --jsx React.createElement",
+    "build": "microbundle --tsconfig flipper-data-source.tsconfig.json --no-compress --jsx React.createElement",
-    "watch": "microbundle --tsconfig flipper-data-source.tsconfig.json --compress --jsx React.createElement watch"
+    "watch": "microbundle --tsconfig flipper-data-source.tsconfig.json --no-compress --jsx React.createElement watch"
   },
   "files": [
     "lib/"