Missing languages for code blocks

Author: mnocon

docs/administration/back_office/customize_integrated_help.md

@@ -51,7 +51,7 @@ This way you can adjust menu sections that are reproduced by the front end as ta
 The default `menu` object is structured as follows.
 Recreate this pattern when modifying an existing event with an intention to send it to the front end.
 
-```
+```text
 root (MenuItem)
 │
 ├── help__general // ("General" section)

docs/administration/configuration/repository_configuration.md

@@ -148,7 +148,7 @@ ibexa:
             repository: second_repository
 ```
 
-```
+```bash
 # .env.local
 
 SECOND_DATABASE_URL=otherdb://otheruser:otherpasswd@otherhost:otherport/otherdbname?otherdbserversion

docs/api/graphql/graphql.md

@@ -72,7 +72,7 @@ You can get your session cookie by logging in through the interface or through a
 
 If you have [JWT authentication](development_security.md#jwt-authentication) enabled, you can use the following query to get your authentication token:
 
-```
+```graphql
 mutation CreateToken {
   createToken(username: "admin", password: "publish") {
     token
@@ -83,7 +83,7 @@ mutation CreateToken {
 
 Response:
 
-```
+```json
 {
   "data": {
     "createToken": {

docs/api/graphql/graphql_operations.md

@@ -14,7 +14,7 @@ You can also make use of the generic `deleteContent` and `uploadFiles` mutations
 
 Create a new Folder as a child of Location `2` with:
 
-```
+```graphql
 mutation createFolder {
   createFolder(
     language: eng_GB
@@ -30,7 +30,7 @@ mutation createFolder {
 
 Response:
 
-```
+```json
 {
   "data": {
     "createFolder": {
@@ -44,7 +44,7 @@ Response:
 
 Modify the name of a Folder content item with:
 
-```
+```graphql
 mutation updateFolder {
   updateFolder(
     language: eng_GB
@@ -60,7 +60,7 @@ mutation updateFolder {
 
 Response:
 
-```
+```json
 {
   "data": {
     "updateFolder": {
@@ -76,7 +76,7 @@ The input for updating a content item is the same as when creating it, but all f
 
 You can delete any content item by providing its `contentId` (or its GraphQL opaque ID under `id`):
 
-```
+```graphql
 mutation deleteBlogPost {
   deleteContent(contentId: 64) {
     id
@@ -87,7 +87,7 @@ mutation deleteBlogPost {
 
 Response:
 
-```
+```json
 {
   "data": {
     "deleteContent": {
@@ -107,7 +107,7 @@ Response:
 
 Uploading files makes use of dedicated mutations per content type, for example:
 
-```
+```graphql
 mutation CreateImage($file: FileUpload!) {
   createImage(
     parentLocationId: 51,
@@ -161,7 +161,7 @@ curl -v -X POST \
 You can upload multiple files with one operation in a similar way by using the `uploadFiles` mutation.
 Here the files are provided in a `$files` variable and listed under `map` in the cURL request.
 
-```
+```graphql
 mutation UploadMultipleFiles($files: [FileUpload]!) {
   uploadFiles(
     locationId: 51,