[REF] web: change effect service API

Before this commit, effect service provided two functions:
  create(type, params)
  rainbowMan(params)

Now, it provides one function add which is create but renamed
rainbowMan function can be called by doing:
  service.add("rainbowman", ...);

closes odoo-dev/odoo#969

Signed-off-by: Aaron Bohy (aab) <aab@odoo.com>

addons/web/static/src/legacy/legacy_service_provider.js

@@ -8,10 +8,10 @@ export const legacyServiceProvider = {
     dependencies: ["effect"],
     start({ services }) {
         browser.addEventListener("show-effect", (ev) => {
-            services.effect.create(ev.detail.type, ev.detail);
+            services.effect.add(ev.detail.type, ev.detail);
         });
         bus.on("show-effect", this, (payload) => {
-            services.effect.create(payload.type, payload);
+            services.effect.add(payload.type, payload);
         });
     },
 };

addons/web/static/src/webclient/actions/action_service.js

@@ -1066,7 +1066,7 @@ function makeActionManager(env) {
             await _executeCloseAction();
         }
         if (effect) {
-            env.services.effect.create(effect.type, effect);
+            env.services.effect.add(effect.type, effect);
         }
     }
 

addons/web/static/src/webclient/effects/effect_service.js

@@ -91,7 +91,7 @@ export const effectService = {
          *    All the options for the effect.
          *    The options get passed to the more specific effect methods.
          */
-        function create(type, params = {}) {
+        function add(type, params = {}) {
             switch (type.replace("_", "").toLowerCase()) {
                 case "rainbowman":
                     return rainbowMan(params);
@@ -100,7 +100,7 @@ export const effectService = {
             }
         }
 
-        return { create, rainbowMan };
+        return { add };
     },
 };