feat(cannon): migrate body

Author: Chau Tran

libs/cannon/project.json

@@ -44,7 +44,9 @@
                     "libs/cannon/**/*.ts",
                     "libs/cannon/**/*.html",
                     "libs/cannon/debug/**/*.ts",
-                    "libs/cannon/debug/**/*.html"
+                    "libs/cannon/debug/**/*.html",
+                    "libs/cannon/services/**/*.ts",
+                    "libs/cannon/services/**/*.html"
                 ]
             }
         }

libs/cannon/services/README.md

@@ -0,0 +1,3 @@
+# angular-three-cannon/services
+
+Secondary entry point of `angular-three-cannon`. It can be used by importing from `angular-three-cannon/services`.

libs/cannon/services/ng-package.json

@@ -0,0 +1,5 @@
+{
+    "lib": {
+        "entryFile": "src/index.ts"
+    }
+}