Split generation scripts into @polkadot/typegen (#1875)

* Split generation scripts into @polkadot/typegen

* Remove moved files

* CC overrides

* interfaces typo

* Cleanup imports

* Some import combinations

* Updates

* Generation updates

* Cleanups, split js wrapper & ts logic

* Rename jiggle 1

* Rename jiggle 2

* Style cleanups

* Expose enry function for scripts

* Typo

* Update script copy & include locations

* CC exclude location

* Minor adjustments

* argv parsing into main

packages/types/package.json

@@ -3,10 +3,6 @@
   "version": "1.3.0-beta.5",
   "description": "Implementation of the Parity codec",
   "main": "index.js",
-  "bin": {
-    "polkadot-types-from-chain": "./scripts/polkadot-types-from-chain.js",
-    "polkadot-types-from-defs": "./scripts/polkadot-types-from-defs.js"
-  },
   "keywords": [
     "Polkadot",
     "JsonRPC"
@@ -30,23 +26,17 @@
   },
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types#readme",
   "dependencies": {
-    "@babel/core": "^7.8.4",
-    "@babel/register": "^7.8.3",
     "@babel/runtime": "^7.8.4",
-    "@polkadot/api": "^1.3.0-beta.5",
     "@polkadot/metadata": "^1.3.0-beta.5",
     "@polkadot/util": "^2.3.1",
     "@polkadot/util-crypto": "^2.3.1",
     "@types/bn.js": "^4.11.6",
     "bn.js": "^5.1.1",
     "memoizee": "^0.4.14",
-    "rxjs": "^6.5.4",
-    "websocket": "^1.0.31",
-    "yargs": "^15.1.0"
+    "rxjs": "^6.5.4"
   },
   "devDependencies": {
     "@polkadot/keyring": "^2.3.1",
-    "@types/memoizee": "^0.4.3",
-    "@types/yargs": "^15.0.3"
+    "@types/memoizee": "^0.4.3"
   }
 }