feat(synapse-constants): Refactor with rollup for package build and e…

…xport [SLT-160] (#3175)

* Refactor with rollup for package build and export
* New file structure in`src`
* Replaces image files with cdn

packages/synapse-constants/.eslintrc.cjs

@@ -0,0 +1,12 @@
+module.exports = {
+  extends: '../../.eslintrc.js',
+  overrides: [
+    {
+      files: ['**/*.ts'],
+      rules: {
+        'guard-for-in': 'off',
+        'prefer-arrow/prefer-arrow-functions': 'off',
+      },
+    },
+  ],
+}