Refactor watch-contract CLI to cli package (#245)

* Refactor watch-contract CLI to cli package

* Use watch-contract from cli in eden and erc721 watchers

* Use watch-contract from cli in all watchers

* Pass an object containing clients to refactored CLI

Co-authored-by: nabarun <nabarun@deepstacksoft.com>

packages/cli/package.json

@@ -0,0 +1,30 @@
+{
+  "name": "@cerc-io/cli",
+  "version": "0.2.13",
+  "main": "dist/index.js",
+  "license": "AGPL-3.0",
+  "scripts": {
+    "lint": "eslint .",
+    "build": "yarn clean && tsc && yarn copy-assets",
+    "clean": "rm -rf ./dist",
+    "copy-assets": "copyfiles -u 1 src/**/*.gql dist/"
+  },
+  "dependencies": {
+    "@cerc-io/graph-node": "^0.2.13",
+    "@cerc-io/ipld-eth-client": "^0.2.13",
+    "@cerc-io/util": "^0.2.13",
+    "@ethersproject/providers": "^5.4.4",
+    "reflect-metadata": "^0.1.13",
+    "typeorm": "^0.2.32",
+    "yargs": "^17.0.1"
+  },
+  "devDependencies": {
+    "@typescript-eslint/eslint-plugin": "^4.25.0",
+    "@typescript-eslint/parser": "^4.25.0",
+    "eslint-config-semistandard": "^15.0.1",
+    "eslint-config-standard": "^5.0.0",
+    "eslint-plugin-import": "^2.23.3",
+    "eslint-plugin-node": "^11.1.0",
+    "eslint-plugin-promise": "^5.1.0"
+  }
+}