docs(user): add missing jsx / HTML code blocks

docs/User Guide/User Guide/FAQ.md

@@ -32,7 +32,7 @@ Common request is to allow multiple users collaborate, share notes etc. So far I
 
 This is normally not supported - one Trilium process can open only a single instance of a [database](Advanced%20Usage/Database.md). However, you can run two Trilium processes (from one installation), each connected to a separate document. To achieve this, you need to set a location for the [data directory](Installation%20%26%20Setup/Data%20directory.md) in the `TRILIUM_DATA_DIR` environment variable and separate port on `TRILIUM_PORT` environment variable. How to do that depends on the platform, in Unix-based systems you can achieve that by running command such as this:
 
-```
+```sh
 TRILIUM_DATA_DIR=/home/me/path/to/data/dir TRILIUM_PORT=12345 trilium 
 ```
 
@@ -44,7 +44,7 @@ No.
 
 These general purpose sync apps are not suitable to sync database files which are open and being worked on by another application. The result is that they will corrupt the database file, resulting in data loss and this message in the Trilium logs:
 
-```
+```plain
 SqliteError: database disk image is malformed
 ```
 

docs/User Guide/User Guide/Note Types/Render Note.md

@@ -17,7 +17,7 @@ For a simple example, we are going to create a render note that displays the cur
 
 To do so, first create an HTML code note with the following content:
 
-```
+```html
 <h1>Current date & time</h1>
 The current date & time is <span class="date"></span>
 ```
@@ -44,7 +44,7 @@ Here are the steps to creating a simple render note:
 2.  Create a child <a class="reference-link" href="Code.md">Code</a> note with JSX as the language.  
     As an example, use the following content:
     
-    ```
+    ```jsx
     export default function() {
         return (
             <>

docs/User Guide/User Guide/Scripting/Frontend Basics/Preact/Component libraries.md

@@ -13,7 +13,7 @@ Here's an example child hierarchy using <a class="reference-link" href="../../.
     *   _Render note with subcomponents_  
         Type: JSX
         
-        ```javascript
+        ```jsx
         export default function() {
             return (
                 <MyComponent />        
@@ -24,7 +24,7 @@ Here's an example child hierarchy using <a class="reference-link" href="../../.
         *   _MyComponent_  
             Type: Code / JSX
             
-            ```javascript
+            ```jsx
             export default function MyComponent() {
                 return <p>Hi</p>;
             }
@@ -36,7 +36,7 @@ To export multiple components, use the `export` keyword next to each of the func
 
 Here's how a sub-note called `MyComponents` would look like:
 
-```javascript
+```jsx
 export function MyFirstComponent() {
     return <p>First</p>;
 }
@@ -48,7 +48,7 @@ export function MySecondComponent() {
 
 Then in its parent note:
 
-```javascript
+```jsx
 const { MyFirstComponent, MySecondComponent } = MyComponents;
 
 export default function() {
@@ -63,7 +63,7 @@ export default function() {
 
 Alternatively, it's also possible to use the components directly without assigning them to a `const` first:
 
-```javascript
+```jsx
 <MyComponents.MyFirstComponent />
 <MyComponents.MySecondComponent />
 ```

docs/User Guide/User Guide/Scripting/Frontend Basics/Preact/Hooks.md

@@ -5,7 +5,7 @@ All standard Preact hooks are available as an import in `trilium:api`.
 
 For example:
 
-```
+```jsx
 import { useState } from "trilium:preact";
 const [ myState, setMyState ] = useState("Hi");
 ```
@@ -18,7 +18,7 @@ Trilium comes with a large set of custom hooks for Preact, all of which are also
 
 As a replacement to <a class="reference-link" href="../Custom%20Widgets/Note%20context%20aware%20widget.md">Note context aware widget</a>, Preact exposes the current note context in the `useNoteContext` hook:
 
-```
+```jsx
 import { defineWidget, useNoteContext, useNoteProperty } from "trilium:preact";
 
 export default defineWidget({