bump version to 1.3.3, and add changelog

Author: bodji

README.md

@@ -30,16 +30,16 @@ Plik is a scalable & friendly temporary file upload system (Wetransfer like) in
    - [Filelink for Plik](https://gitlab.com/joendres/filelink-plik) : Thunderbird Addon to upload attachments to Plik
 
 ### Version
-1.3.2
+1.3.3
 
 ### Installation
 
 ##### From release
 To run plik, it's very simple :
 ```sh
-$ wget https://github.com/root-gg/plik/releases/download/1.3.2/plik-1.3.2-linux-amd64.tar.gz
-$ tar xzvf plik-1.3.2-linux-64bits.tar.gz
-$ cd plik-1.3.2/server
+$ wget https://github.com/root-gg/plik/releases/download/1.3.2/plik-1.3.3-linux-amd64.tar.gz
+$ tar xzvf plik-1.3.3-linux-64bits.tar.gz
+$ cd plik-1.3.3/server
 $ ./plikd
 ```
 Et voilà ! You now have a fully functional instance of Plik running on http://127.0.0.1:8080.  

changelog/1.3.3

@@ -0,0 +1,23 @@
+Plik 1.3.3
+
+Hi, today we're releasing Plik 1.3.3 !
+
+Here is the changelog :
+
+New
+    - New metadata backend : MySQL / MariaDB \o/
+    - Update gorm and go-sqlite3 libraries
+    - Provide a usage example for docker-compose
+
+Fixed
+    - Improve clean and logging
+    - Swift|S3 data backend: DO not fail when removing missing file
+    - Simplify GCS backend
+    - Properly remove uploading files
+    - Fix transaction issue in DeleteUser
+    - Fix export of soft deleted uploads / Add import --ignore-error parameter
+    - Properly close metadata backend during tests
+
+
+Faithfully,
+The plik team