feat: add insertContent() command, deprecate insertText(), insertHTML() and insertNode()

docs/src/docPages/api/commands/insert-content.md

@@ -0,0 +1,23 @@
+# insertContent
+
+## Parameters
+
+## Usage
+
+```js
+this.editor.commands.insertContent('text')
+this.editor.commands.insertContent('<p>HTML</p>')
+this.editor.commands.insertContent({
+  type: 'heading',
+  attrs: {
+    level: 2,
+  },
+  content: [
+    {
+      type: 'text',
+      text: 'nested nodes',
+    },
+  ],
+})
+```
+

docs/src/docPages/api/commands/insert-html.md

@@ -1,13 +0,0 @@
-# insertHTML
-
-
-See also: [insertText](/api/commands/insert-text), [insertNode](/api/commands/insert-node)
-
-## Parameters
-
-## Usage
-
-```js
-this.editor.commands.insertHTML('<p>Example text</p>')
-```
-

docs/src/docPages/api/commands/insert-node.md

@@ -1,13 +0,0 @@
-# insertNode
-
-
-See also: [insertHTML](/api/commands/insert-html), [insertText](/api/commands/insert-text)
-
-## Parameters
-
-## Usage
-
-```js
-this.editor.commands.insertNode('paragraph')
-```
-

docs/src/docPages/api/commands/insert-text.md

@@ -1,12 +0,0 @@
-# insertText
-
-See also: [insertHTML](/api/commands/insert-html), [insertNode](/api/commands/insert-node)
-
-## Parameters
-
-## Usage
-
-```js
-this.editor.commands.insertText('Example text')
-```
-