Cleanup dashboard JS (#491)

* Cleanup dashboard JS

* Add vscode

* Save start_mark/end_mark

* Updates

* Updates

* Remove need for cv.nameable

It's a bit hacky but removes so much bloat from integrations

* Add enum helper

* Document APIs, and Improvements

* Fixes

* Fixes

* Update PULL_REQUEST_TEMPLATE.md

* Updates

* Updates

* Updates

esphome/core/component.h

@@ -242,6 +242,8 @@ class Component {
  */
 class PollingComponent : public Component {
  public:
+  PollingComponent() : PollingComponent(0) {}
+
   /** Initialize this polling component with the given update interval in ms.
    *
    * @param update_interval The update interval in ms.
@@ -274,6 +276,7 @@ class PollingComponent : public Component {
 /// Helper class that enables naming of objects so that it doesn't have to be re-implement every time.
 class Nameable {
  public:
+  Nameable() : Nameable("") {}
   explicit Nameable(const std::string &name);
   const std::string &get_name() const;
   void set_name(const std::string &name);