Docs: Replace :smile with actual 😃 emoji

Signed-off-by: David Mehren <git@herrmehren.de>

docs/content/guides/auth/gitlab-self-hosted.md

@@ -1,6 +1,6 @@
 # GitLab (self-hosted)
 
-*Note:* This guide was written before the renaming. Just replace `HackMD` with `HedgeDoc` in your mind :smile: thanks!
+*Note:* This guide was written before the renaming. Just replace `HackMD` with `HedgeDoc` in your mind 😃 thanks!
 
 1. Sign in to your GitLab
 2. Navigate to the application management page at `https://your.gitlab.domain/admin/applications` (admin permissions required)

docs/content/guides/auth/saml-onelogin.md

@@ -1,6 +1,6 @@
 # Authentication guide - SAML (OneLogin)
 
-**Note:** *This guide was written before the renaming. Just replace `HackMD` with `HedgeDoc` in your mind :smile: thanks!*
+**Note:** *This guide was written before the renaming. Just replace `HackMD` with `HedgeDoc` in your mind 😃 thanks!*
 
 1. Sign-in or sign-up for an OneLogin account. (available free trial for 2 weeks)
 

docs/content/guides/auth/saml.md

@@ -1,8 +1,9 @@
 # Authentication guide - SAML
 
-*Note:* This guide was written before the renaming. Just replace `HackMD` with `HedgeDoc` in your mind :smile: thanks!
+*Note:* This guide was written before the renaming. Just replace `HackMD` with `HedgeDoc` in your mind 😃 thanks!
 
-The basic procedure is the same as the case of OneLogin which is mentioned in [OneLogin-Guide](./saml-onelogin.md). If you want to match your IdP, you can use more configurations as below.
+The basic procedure is the same as the case of OneLogin which is mentioned in [OneLogin-Guide](./saml-onelogin.md). If
+you want to match your IdP, you can use more configurations as below.
 
 - If your IdP accepts metadata XML of the service provider to ease configuration, use this url to download metadata XML.
     - {{your-serverurl}}/auth/saml/metadata

docs/content/guides/auth/twitter.md

@@ -1,6 +1,6 @@
 # Authentication guide - Twitter
 
-*Note:* This guide was written before the renaming. Just replace `HackMD` with `HedgeDoc` in your mind :smile: thanks!
+*Note:* This guide was written before the renaming. Just replace `HackMD` with `HedgeDoc` in your mind 😃 thanks!
 
 1. Sign-in or sign-up for a Twitter account
 

docs/content/guides/minio-image-upload.md

@@ -1,6 +1,6 @@
 # Minio Guide for HedgeDoc
 
-*Note:* This guide was written before the renaming. Just replace `HackMD` with `HedgeDoc` in your mind :smile: thanks!
+*Note:* This guide was written before the renaming. Just replace `HackMD` with `HedgeDoc` in your mind 😃 thanks!
 
 1. First of all you need to setup Minio itself.
 

docs/content/guides/s3-image-upload.md

@@ -1,6 +1,6 @@
 # Guide - Setup HedgeDoc S3 image upload
 
-**Note:** *This guide was written before the renaming. Just replace `HackMD` with `HedgeDoc` in your mind :smile: thanks!*
+**Note:** *This guide was written before the renaming. Just replace `HackMD` with `HedgeDoc` in your mind 😃 thanks!*
 
 1. Go to [AWS S3 console](https://console.aws.amazon.com/s3/home) and create a new bucket.
    ![create-bucket](../images/s3-image-upload/create-bucket.png)