Fix/2707 api landing (#604)

* docs (#2707): add options api landing page

* docs (#2707): add landing page for reactivity apis

* docs (#2707): add landing page for API section

* fix: missing word

Author: bencodezen

src/.vuepress/config.js

@@ -157,6 +157,7 @@ const sidebar = {
     '/api/global-api',
     {
       title: 'Options',
+      path: '/api/options-api',
       collapsable: false,
       children: [
         '/api/options-data',
@@ -174,6 +175,7 @@ const sidebar = {
     '/api/built-in-components.md',
     {
       title: 'Reactivity API',
+      path: '/api/reactivity-api',
       collapsable: false,
       children: [
         '/api/basic-reactivity',
@@ -296,7 +298,7 @@ module.exports = {
       },
       {
         text: 'API Reference',
-        link: '/api/application-config'
+        link: '/api/'
       },
       {
         text: 'Ecosystem',

src/api/index.md

@@ -0,0 +1,15 @@
+# API
+
+The Vue.js API contains the following categories:
+
+- [Application Config](/api/application-config.html)
+- [Application API](/api/application-api.html)
+- [Global API](/api/global-api.html)
+- [Options API](/api/options-api.html)
+- [Instance Properties](/api/instance-properties.html)
+- [Instance Methods](/api/instance-methods.html)
+- [Directives](/api/directives.html)
+- [Special Attributes](/api/special-attributes.html)
+- [Built-in Components](/api/built-in-components.html)
+- [Reactivity API](/api/reactivity-api.html)
+- [Composition API](/api/composition-api.html)

src/api/options-api.md

@@ -0,0 +1,10 @@
+# Options API
+
+The Options API contains the following sections:
+
+- [Data](/api/options-data.html)
+- [DOM](/api/options-dom.html)
+- [Lifecycle Hooks](/api/options-lifecycle-hooks.html)
+- [Assets](/api/options-assets.html)
+- [Composition](/api/options-composition.html)
+- [Miscellaneous](/api/options-misc.html)

src/api/reactivity-api.md

@@ -0,0 +1,7 @@
+# Reactivity API
+
+The Reactivity API contains the following sections:
+
+- [Basic Reactivity APIs](/api/basic-reactivity.html)
+- [Refs](/api/refs-api.html)
+- [Computed and watch](/api/computed-watch-api.html)